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

Offset: 1

Author

Parthasarathy Nambi, Jan 04 2006

Keywords

• nonn

Examples

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

Links

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

Programs

Magma

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

Mathematica

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