

A271347


Primes p such that p + 38 is also prime.


3



3, 5, 23, 29, 41, 59, 71, 89, 101, 113, 173, 191, 233, 239, 269, 293, 311, 359, 383, 401, 419, 449, 461, 503, 509, 563, 569, 593, 653, 701, 719, 773, 821, 839, 881, 929, 953, 971, 983, 1013, 1031, 1049, 1091, 1163, 1193, 1259, 1283, 1289
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OFFSET

1,1


COMMENTS

A134118 is a subsequence of this sequence.


LINKS

Karl V. Keller, Jr., Table of n, a(n) for n = 1..10000


EXAMPLE

3 such that 3 + 38 = 41 is also prime.
5 such that 5 + 38 = 43 is also prime.


MATHEMATICA

Select[Prime[Range[250]], PrimeQ[# + 38] &] (* Alonso del Arte, Apr 05 2016 *)


PROG

(Python)
from sympy import isprime
for i in range(3, 2001, 2):
..if isprime(i) and isprime(i+38): print (i, end=', ')
(PARI) lista(nn) = forprime(p=2, nn, if(ispseudoprime(p+38), print1(p, ", "))); \\ Altug Alkan, Apr 05 2016


CROSSREFS

Cf. A000040, A134118.
Sequence in context: A271417 A270912 A137084 * A222424 A067256 A136891
Adjacent sequences: A271344 A271345 A271346 * A271348 A271349 A271350


KEYWORD

nonn


AUTHOR

Karl V. Keller, Jr., Apr 04 2016


STATUS

approved



