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# Index to OEIS: Section Pra

# Index to OEIS: Section Pra

- 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 ]

practical numbers: A005153*, A007620*

Prague clock sequence: A028354*

preferential arrangements: A000670* (Note that A000629, A000670, A002050, A032109, A052856, A076726 are all more-or-less the same sequence.)

preorders: A006326, A006327, A006328, A006329

** previous prime , sequences related to : **

- previous prime and next prime etc. for terms of various sequences: [NP = next prime, PP = previous prime, NPMPP = next prime - previous prime, nMPP = n - previous prime, NPMn = next prime - n, MIN = min of nMPP and NPMn]
- previous prime, next prime etc. .... .............................NP..........PP.......NPMPP....nMPP........NPMn ....MIN
- previous prime, next prime etc. for A000027 (n)... A007918, A007917, A013633, A049711, A013632, A051702
- previous prime, next prime etc. for A000079 (2^n). A014210, A014234, A058249, A013603, A013597, A059959
- previous prime, next prime etc. for A000142 (n!).. A037151, A006990, A054588, A033933, A033932, A056752
- previous prime, next prime etc. for A000290 (n^2). A007491, A053001, A058043, A056927, A053000, A060272
- previous prime, next prime etc. for A001747 (2p).. A058786, A059788, A060271, A059789, A059787, A059790
- previous prime, next prime etc. for A002110 (q(n)) A038710, A007014, A058044, A060270, A038711, A060269
- previous prime, next prime etc. for A003418 (LCM) A060357, A060358, A060359, A060360, A060361, A060362
- previous prime, next prime etc. for A005843 (2n).. A060264, A060308, A060267, A049653, A060266, A060268
- previous prime: version 1: A007917, version 2: A151799

- 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 ]