A113151 - OEIS

A113151

Primes p such that 19*p + 2 is also prime.

3, 5, 11, 23, 53, 59, 83, 89, 149, 191, 263, 269, 293, 353, 359, 389, 401, 419, 431, 443, 461, 479, 521, 599, 653, 683, 761, 809, 821, 881, 941, 971, 983, 1013, 1061, 1091, 1103, 1151, 1181, 1193, 1283, 1511, 1571, 1613, 1619, 1931, 1973, 2063

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OFFSET

1,1

LINKS

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

EXAMPLE

If p=263 then 19*p + 2 = 4999 (prime).

MATHEMATICA

Select[Prime[Range[500]], PrimeQ[19#+2]&] (* Harvey P. Dale, Dec 12 2012 *)

PROG

(Magma) [p: p in PrimesUpTo(3000)| IsPrime(19*p+2)] // Vincenzo Librandi, Jan 29 2011

CROSSREFS

Sequence in context: A018113 A113281 A037446 * A269964 A305412 A094810

Adjacent sequences: A113148 A113149 A113150 * A113152 A113153 A113154

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Jan 04 2006

STATUS

approved