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Index to OEIS: Section 1

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Index to OEIS: Section 1


[ 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 ]


(+1,-1)-matrices: see matrices, binary
(+1,0,-1)-matrices: see matrices, binary
(-1)-Sigma(n): see (-1)sigma(n)
(-1)-sigma(n): see (-1)sigma(n)
(-1)sigma(n): A049060*
(-1)Sigma(n): see (-1)sigma(n)
(-1)sigma(n): see also A034094, A034095, A035479, A057723, A060640, A126602, A126690
(-1)^n: A033999*
(0,1)-matrices: see matrices, binary
(2-rx)/(1-rx-sx^2): see Fibonacci numbers, generalized
0,1 then repeat: A000035
0^n: A000007
1's in binary expansion: A000120*
1's sequence: A000012*
1-factorizations, sequences related to :

1-factorizations: A000438, A000474, A000479, A000528, A055495

1/(1-rx-sx^2): see Fibonacci numbers, generalized
1/n , sequences related to decimal expansion of :

1/n, decimal expansion of: basic sequences: A114205, A114206, A036275, A051626
1/n, decimal expansion of: see also A051628, A016088, A056055, A007732
1/n, period of expansion of (in various bases): (1) A007732* A007733 A007734 A007735 A007736 A007737 A007738 A007739 A007740 A051626 A036275 A048962
1/n, period of expansion of (in various bases): (2) A048997 A003060
1/p (p prime), number of cycles: A006556*, A054471
1/p (p prime), period of decimal expansion =(p-1)/k: (1) A006883 A097443 A055628 A056157 A056210 A056211 A056212 A056213 A056214 A056215 A056216
1/p (p prime), period of decimal expansion =(p-1)/k: (2) A056217 A098680
1/p (p prime), period of decimal expansion of: A002371* A048595* A007138 A048596 A007498 A007615 A040017 A051627 A048963 A006559 A001913 A046107
1/p (p prime), sum of: A016088, A046024

10*n^2 + 2: A005901*
10-gonal numbers: A001107*
10-gonal pyramidal numbers: A007585
10^n: A011557*
11-gonal numbers: A051682
11-gonal pyramidal numbers: A007586
11-smooth numbers: A051038
111...111, primes of form: A004022*, A004023*
12-gonal numbers: A051624
12-gonal pyramidal numbers: A007587*
13-gonal numbers: A051865
13-smooth numbers: A080197
14-dimensional lattices: A004535, A047632
14-gonal numbers: A051866
15 puzzle: A087725
15-gonal numbers: A051867
16-gonal numbers: A051868
17-gonal numbers: A051869
17-smooth numbers: A080681
18-gonal numbers: A051870
19-gonal numbers: A051871
19-smooth numbers: A080682
196, trajectory of: A006960
1995 puzzle of Eric Angelini: A131744*, A131745, A131746, A130316, A131285, A131286, A131287, A133152, A133816, A133817


[ 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 ]


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