OFFSET
1,1
PROG
(PARI) diff2p(n, a, b) = { forprime(x=3, n, y=(x-a)/b; if(y==floor(y), if(isprime(y), print1(y", ")) ) ) }
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Cino Hilliard, Dec 28 2003
EXTENSIONS
Definition corrected by Max Alekseyev, Aug 30 2006
STATUS
approved