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A023202 Numbers n such that n and n + 8 both prime. 19
3, 5, 11, 23, 29, 53, 59, 71, 89, 101, 131, 149, 173, 191, 233, 263, 269, 359, 389, 401, 431, 449, 479, 491, 563, 569, 593, 599, 653, 683, 701, 719, 743, 761, 821, 911, 929, 983, 1013, 1031, 1061, 1109, 1163, 1193, 1223, 1229, 1283, 1289, 1319, 1373, 1439, 1451 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..52.

A. Granville and G. Martin, Prime number races

Eric Weisstein's World of Mathematics, Twin Primes

MATHEMATICA

Select[Range[7! ], PrimeQ[ # ]&&PrimeQ[ #+8]&] [From Vladimir Joseph Stephan Orlovsky, Aug 29 2008]

PROG

(MAGMA) [n: n in [0..1000] | IsPrime(n) and IsPrime(n+8)] [From V. Librandi, Nov 20 2010]

CROSSREFS

Disjoint union of A007530, A031926, A049437, A049438. Cf. also A046134, A049436, A046138, A015915.

Sequence in context: A015915 A106901 A154550 * A049436 A117010 A056874

Adjacent sequences:  A023199 A023200 A023201 * A023203 A023204 A023205

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified June 19 22:46 EDT 2013. Contains 226416 sequences.