The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A136352

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A136352

Primorials P for which neither P-1 nor P+1 is prime.
(history; published version)

#12 by Charles R Greathouse IV at Mon Sep 14 14:41:10 EDT 2015

STATUS

editing

approved

#11 by Charles R Greathouse IV at Mon Sep 14 14:41:08 EDT 2015

COMMENTS

For almost all primes p, p# is in this sequence by Brun's theorem. - Charles R Greathouse IV, Sep 14 2015

LINKS

Charles R Greathouse IV, <a href="/A136352/b136352.txt">Table of n, a(n) for n = 1..350</a>

CROSSREFS

Cf. A136349 , A136350 , A136351 , A002110 , A121069.

STATUS

approved

editing

#10 by R. J. Mathar at Thu Mar 26 15:07:52 EDT 2015

STATUS

editing

approved

#9 by R. J. Mathar at Thu Mar 26 15:07:48 EDT 2015

LINKS

Charles R Greathouse IV, <a href="http://math.crg4.com/">Home Page</a> [in lieu of email address]

STATUS

approved

editing

#8 by Charles R Greathouse IV at Mon Apr 14 14:02:34 EDT 2014

LINKS

_Charles R Greathouse IV_, , <a href="http://math.crg4.com/">Home Page</a> [in lieu of email address]

Discussion

Mon Apr 14

14:02

OEIS Server: https://oeis.org/edit/global/2160

#7 by Charles R Greathouse IV at Mon May 13 01:54:09 EDT 2013

LINKS

_Charles R Greathouse IV_, , <a href="/A136352/b136352.txt">Table of n, a(n) for n=1..350</a>

Discussion

Mon May 13

01:54

OEIS Server: https://oeis.org/edit/global/1915

#6 by Charles R Greathouse IV at Mon May 13 01:48:46 EDT 2013

LINKS

_Charles R Greathouse IV, _, <a href="/A136352/b136352.txt">Table of n, a(n) for n=1..350</a>

_Charles R Greathouse IV, _, <a href="http://math.crg4.com/">Home Page</a> [in lieu of email address]

EXTENSIONS

Edited by and more terms from _Charles R Greathouse IV, _, Sep 29 2008

Discussion

Mon May 13

01:48

OEIS Server: https://oeis.org/edit/global/1914

#5 by Russ Cox at Sat Mar 31 10:32:41 EDT 2012

AUTHOR

_Enoch Haga (Enokh(AT)comcast.net), _, Dec 25 2007

Discussion

Sat Mar 31

10:32

OEIS Server: https://oeis.org/edit/global/789

#4 by N. J. A. Sloane at Thu Nov 11 07:34:06 EST 2010

LINKS

Charles R Greathouse IV, <a href="/A136352/b136352.txt">Table of n, a(n) for n=1..350</a>

KEYWORD

easy,nonn,new

#3 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

LINKS

Charles R Greathouse IV, <a href="http://www.research.att.com/~njas/sequences/b136352.txt">Table of n, a(n) for n=1..350</a> [From Charles R Greathouse IV, Sep 29 2008]

KEYWORD

easy,nonn,new