%I #6 Oct 01 2013 17:57:55
%S 5,11,41,47,71,131,167,197,257,281,311,347,461,467,479,491,509,521,
%T 557,599,641,647,827,839,857,911,941,977,1061,1097,1109,1151,1181,
%U 1187,1217,1229,1259,1289,1307,1319,1439,1499,1571,1601,1637,1709,1847
%N Primes p such that 16*p+17 is a prime.
%o (PARI) diff2p(n,a,b) = { forprime(x=3,n, y=(x-a)/b; if(y==floor(y), if(isprime(y), print1(y",")) ) ) }
%K easy,nonn
%O 1,1
%A _Cino Hilliard_, Dec 28 2003
%E Definition corrected by Max Alekseyev, Aug 30 2006