A140563 Primes p such that p + 38 is not a prime.

2, 7, 11, 13, 17, 19, 31, 37, 43, 47, 53, 61, 67, 73, 79, 83, 97, 103, 107, 109, 127, 131, 137, 139, 149, 151, 157, 163, 167, 179, 181, 193, 197, 199, 211, 223, 227, 229, 241, 251, 257, 263, 271, 277, 281, 283, 307, 313, 317, 331, 337, 347, 349, 353, 367, 373

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Mathematica

Select[Prime[Range[100]], !PrimeQ[#+38]&] (* Harvey P. Dale, Feb 02 2019 *)

Prog

(Magma) [p: p in PrimesUpTo(1000)|not IsPrime(p+38)] // Vincenzo Librandi, Dec 18 2010

Crossrefs

Sequence in context: A207526 A175442 A020597 * A154679 A191052 A338173

Adjacent sequences: A140560 A140561 A140562 * A140564 A140565 A140566

Keyword

nonn

Author

Juri-Stepan Gerasimov, Jul 03 2008

Extensions

Corrected (19, 349 inserted) by R. J. Mathar, Apr 25 2010

Status

approved