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A113169 Primes p such that 13*p + 2 is also prime. 1
3, 5, 17, 29, 47, 53, 59, 113, 137, 173, 227, 239, 257, 269, 347, 353, 389, 419, 449, 467, 479, 509, 557, 563, 599, 677, 719, 743, 827, 839, 953, 977, 983, 1013, 1019, 1103, 1109, 1163, 1193, 1217, 1223, 1259, 1277, 1289, 1307, 1373, 1427, 1487 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Except for 3, all terms == 5 (mod 6). - Robert Israel, Sep 06 2018

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

Chris Caldwell The First 1000 Primes.

EXAMPLE

If p=173 then 13*p + 2 = 2251 (prime).

MAPLE

select(t -> isprime(t) and isprime(13*t+2), [3, seq(i, i=5..10000, 6)]); # Robert Israel, Sep 06 2018

PROG

(MAGMA) [p: p in PrimesUpTo(3000)|  IsPrime(13*p+2)] // Vincenzo Librandi, Jan 29 2011

(PARI) forprime(p=3, 1e4, if(isprime(13*p+2), print1(p, ", "))); \\ Altug Alkan, Sep 07 2018

CROSSREFS

Cf. A113151, A113115.

Sequence in context: A163586 A074931 A023226 * A174913 A079496 A230639

Adjacent sequences:  A113166 A113167 A113168 * A113170 A113171 A113172

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Jan 06 2006

STATUS

approved

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Last modified May 26 15:27 EDT 2020. Contains 334626 sequences. (Running on oeis4.)