|
| |
|
|
A053072
|
|
Primes p such that p-12, p and p+12 are consecutive primes.
|
|
3
| |
|
|
211, 1511, 4409, 4691, 7841, 9871, 11299, 11411, 11731, 12841, 15161, 16619, 17431, 17851, 18341, 18731, 19739, 19949, 20161, 20521, 20731, 21661, 22051, 22259, 23801, 25621, 26041, 28069, 29599, 30059, 31051, 32479, 34171, 35129
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| In other words, balanced primes separated from the next lower and next higher prime neighbors by 12.
|
|
|
LINKS
| Zak Seidov, Table of n, a(n) for n = 1..10000
|
|
|
EXAMPLE
| 1511 is separated from both the next lower prime and the next higher prime by 12
|
|
|
MAPLE
| for i from 1 by 1 to 5000 do if ithprime(i+1) = ithprime(i) +12 and ithprime(i+2) = ithprime(i) + 24 then print(ithprime(i+1)); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 04 2007
|
|
|
MATHEMATICA
| lst={}; Do[p=Prime[n]; If[p-Prime[n-1]==Prime[n+1]-p==6*2, AppendTo[lst, p]], {n, 2, 2*7!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), May 20 2010]
|
|
|
CROSSREFS
| Sequence in context: A032632 A179595 A137872 * A086978 A108829 A111480
Adjacent sequences: A053069 A053070 A053071 * A053073 A053074 A053075
|
|
|
KEYWORD
| easy,nonn
|
|
|
AUTHOR
| Harvey P. Dale (hpd1(AT)is2.nyu.edu), Feb 25 2000
|
|
|
EXTENSIONS
| Corrected by Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), Jan 04 2001
Edited by N. J. A. Sloane (njas(AT)research.att.com), Jul 03 2008 at the suggestion of R. J. Mathar
|
| |
|
|
