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# Index to OEIS: Section Pra

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# 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
]