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Index to OEIS: Full Index (huge)
Index to OEIS: Section Aa
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- a(a(n)) = 2n and similar sequences: (1) A000027, A002516, A002517, A002518, A003605, A007378, A007379, A054786, A054787, A054788, A054789, A054790
- a(a(n)) = 2n and similar sequences: (2) A079000, A079253, A079905, A080588, A080589, A080591, A080596, A080637
- a(a(n)) = 2n and similar sequences: see also: (1) A000201, A001462, A007479, A038752, A038755, A038756, A038757, A054048, A054049, A054791, A054792, A054793
- a(a(n)) = 2n and similar sequences: see also: (2) A065804
a(n) divides n, list of pairs of sequences:
- A000012 * A000027, A040001 * A026741, A000265 * A006519, A003557 * A007947, A006530 * A052126, A007913 * A008833, A020639 * A032742, A028233 * A028234, A033676 * A033677, A034699 * A284600, A055023 * A055032, A060789 * A089128, A065330 * A065331, A060775 * A140271, A079879 * A079880, A104714 * A270313, A122377 * A298734
a(n+1)=a(n)^2 + ..., recurrences of the form :
- a(n+1)=a(n)^2 + ..., recurrences of the form, (1) A000058, A000289, A000324, A001042, A001056, A001146, A013589, A001510, A001543, A001544, A001566
- a(n+1)=a(n)^2 + ..., recurrences of the form, (2) A001696, A001697, A001699, A001999, A002065, A000215, A000283, A003010, A003095, A003096, A003423
- a(n+1)=a(n)^2 + ..., recurrences of the form, (3) A003487, A004019, A005267, A007018, A014253, A028300, A051179, A056207, A058181, A058182, A062000
- a(n+1)=a(n)^2 + ..., recurrences of the form, (4) A063573, A065035, A067686, A072191, A076725, A086851, A092500, A092501, A098152, A099729, A100523, A100528
- a(n+1)=a(n)^2 + ..., recurrences of the form, (5) A110360, A110368, A110383, A113848, A114793, A114950, A117805, A118623, A125046, A126023, A135927
- a(n+1)=a(n)^2 + ..., recurrences of the form, (6) A143760, A143761, A143762, A143763, A143764, A143765, A143766, A153059, A153060, A153061, A153062
- a(n+1)=a(n)^2 + ..., recurrences of the form, (7) A172028, A174864, A186750, A204321, A242995
A(n, d), maximal size of binary code of length n and minimal distance d :
- A(n,d) sequences: A005864: A(n,4) and A(n,3), A005865: A(n,6) and A(n,5), A005866: A(n,8) and A(n,7).
- A001839: A(n,4,3), A001843: A(n,4,4), A004035: A(n,4,5), A004036: A(n,4,6),
- A004037: A(n,6,4), A004038: A(n,6,5), A004039: A(n,6,6), A004067: A(n,6,7),
- A005851: A(n,8,5), A005852: A(n,8,6), A005853: A(n,8,7), A004043: A(n,8,8),
- A005854: A(n,10,6), A005855: A(n,10,7), A005856: A(n,10,8), A004047: A(n,10,9),
- A005857: A(n,12,7), A005858: A(n,12,8), A005859: A(n,12,9), A005860: A(n,12,10),
- A004052: A(n,14,8), A005861: A(n,14,9), A005862: A(n,14,10), A005863: A(n,14,11), A004056: A(n,14,12).
a/b + b/c + c/a = n: A072716
- A2 lattice, coordination sequence for: A008458*
- A2 lattice, crystal ball sequence for: A003215*
- A2 lattice, numbers represented by: A003136*
- A2 lattice, polygons on: A036418*, A284869, A341630, A070765
- A2 lattice, see also (1):: A005881, A003050, A003051, A006861, A006777, A006775, A003289, A006836, A003291, A006742, A006738, A006803, A005882, A006807
- A2 lattice, see also (2):: A006984, A007239, A006778, A006739, A006776, A006813, A006809, A006735, A005550, A006740, A006736, A005552, A003488, A004016
- A2 lattice, see also (3):: A002898, A003202, A003290, A002933, A002919, A002920, A001334, A006818, A007274, A007275, A005553, A005399, A006741, A006737
- A2 lattice, see also (4):: A005400, A003197, A007207, A002911, A001335, A007200, A005549, A005551, A007201, A192208
- A2 lattice, see also home page for
- A2 lattice, sublattices of: A003051*, A003050*, A054384*, A145394*, A300651*
- A2 lattice, theta series of: A004016*, A035019*
- A2 lattice, theta series of: see also A005881, A005882, A014202
- A2 lattice, walks on: A001334*
A3 lattice: see f.c.c. lattice
A3* lattice: see b.c.c. lattice
- A4 lattice, coordination sequence for: A008383*
- A4 lattice, crystal ball sequence for: A008384*
- A4 lattice, theta sequence for: A008444*
- A4 lattice, sublattices of: A173824
- A4 lattice, coincidence site lattices in: A331141, A331142*
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Index to OEIS: Section Ab
- This is a section of the Index to the OEIS®.
- For further information see the main Index to OEIS page.
- Please read Index: Instructions For Updating Index to OEIS before making changes to this page.
- If you did not find what you were looking for in this Index, you can always search the database for a particular word or phrase.
- Full list of sections:
[ Aa | Ab | Al | Am | Ap | Ar | Ba | Be | Bi | Bl | Bo | Br | Ca | Ce | Ch | Cl | Coa | Coi | Com | Con | Cor | Cu | Cy | Da | De | Di | Do | Ea | Ed | El | Eu | Fa | Fe | Fi | Fo | Fu | Ga | Ge | Go | Gra | Gre | Ha | He | Ho | Ia | In | J | K | La | Lc | Li | Lo | Lu | M | Mag | Map | Mat | Me | Mo | Mu | N | Na | Ne | Ni | No | Nu | O | Pac | Par | Pas | Pea | Per | Ph | Poi | Pol | Pos | Pow | Pra | Pri | Pro | Ps | Qua | Que | Ra | Rea | Rel | Res | Ro | Ru | Sa | Se | Si | Sk | So | Sp | Sq | St | Su | Sw | Ta | Te | Th | To | Tra | Tri | Tu | U | V | Wa | We | Wi | X | Y | Z | 1 | 2 | 3 | 4 ]
- A120498 (numbers C from the abc conjecture), A216323 (b in triples with a=1), A216328 (b in triples with a = 2).
- list of "abc-hits": A225426 (the triples), A130510, A130511, A130512 (values of c, a, rad(abc)), A225425 (# "abc-hits" with c < 10^n).
- search for records of the merit function: (admitting only specific C values)
- less specifically related: A007947 (radical), A001220 (Wieferich primes),
- A002587 (largest prime factor of 2^n + 1), A010846 (# smaller numbers with no other prime factors),
- A191100 ([rad(ABC)]/C for A=3, C=A+B), A190846 (same for A=1), A191093 (same for A=2)
- A039678 (a such that a^(p-1)-1 is divisible by p^2), A147803 (m coprime to 5 minimizing A007947(m(5^n-m))), A147804 (m coprime to 7 minimizing A007947(m(7^n-m))), A185103 (Smallest k > 1 such that k^(n-1) == 1 (mod n^2))
- maxima and minima of rad(m(n-m)n) : A147298 (minima), A147300 (m for minima).
- p-smooth {n,n+1}: A085152 (p=5), A085153 (p=7), A002071 (# p-smooth pairs)
abelian numbers: A051532
absolute primes: see primes, absolute
abundance: see abundancy
- abundancy: A033880*, A033879, A005579, A005347, A005580, A033881, A033882
- abundancy: see also deficiency
- abundant numbers: A002093, A002182, A005101*, A091191
- abundant numbers: consecutive: A094268
- abundant numbers: odd: A005231*, A006038, A064001
- abundant numbers: see also A004394
- Ackermann function: A001695, A046859, A014221
- Ackermann function: see also sequences which grow too rapidly to have their own entries
acyclic digraphs, see digraphs, acyclic
- additive bases: A004133, A004135, A004136
- additive bases: see also Golomb rulers
additive basis, sequences which are an:
- order 1:
- order 2:
- order 3:
- order 4:
- order 5:
- order 6:
- order 7:
- order 8:
- order 9:
- order 10:
- additive sequences (00): definition: a(n*m) = a(n) + a(m) if GCD(n,m) = 1
- additive sequences (01): completely additive A001222, A001414, A007814, A007949, A048675, A056239, A067666, A076649,
- additive sequences (02): completely additive A078458, A078908, A078909, A112765, A113177
- additive sequences (03): A001221, A005063-A005085, A005087-A005091, A005094, A008472, A008474,
- additive sequences (04): A008475, A008476, A046660, A052331, A055631, A056169, A056170, A059841,
- additive sequences (05): A064372, A064415, A066328, A079978, A080256, A081403, A087207, A090885,
- additive sequences (06): A106490, A106492, A113178, A113222, A115357, A121262, A086275
- additive sequences (07): completely additive fractions: A083345/A083346
- additive sequences (08): additive fractions: A028235/A007947, A028236/A000027
- additive sequences (09): totally additive: see additive sequences, completely additive
- additive sequences (10): strongly additive: see additive sequences, completely additive
Aho-Sloane paper: see entry for a(n+1)=a(n)^2 + ...
Airey's converging factor: A001662
Aitken's array: A011971*
- This is a section of the Index to the OEIS®.
- For further information see the main Index to OEIS page.
- Please read Index: Instructions For Updating Index to OEIS before making changes to this page.
- If you did not find what you were looking for in this Index, you can always search the database for a particular word or phrase.
- Full list of sections:
[ Aa | Ab | Al | Am | Ap | Ar | Ba | Be | Bi | Bl | Bo | Br | Ca | Ce | Ch | Cl | Coa | Coi | Com | Con | Cor | Cu | Cy | Da | De | Di | Do | Ea | Ed | El | Eu | Fa | Fe | Fi | Fo | Fu | Ga | Ge | Go | Gra | Gre | Ha | He | Ho | Ia | In | J | K | La | Lc | Li | Lo | Lu | M | Mag | Map | Mat | Me | Mo | Mu | N | Na | Ne | Ni | No | Nu | O | Pac | Par | Pas | Pea | Per | Ph | Poi | Pol | Pos | Pow | Pra | Pri | Pro | Ps | Qua | Que | Ra | Rea | Rel | Res | Ro | Ru | Sa | Se | Si | Sk | So | Sp | Sq | St | Su | Sw | Ta | Te | Th | To | Tra | Tri | Tu | U | V | Wa | We | Wi | X | Y | Z | 1 | 2 | 3 | 4 ]