OFFSET
1,2
PROG
(PARI) print1("0, 2"); r=2; forprime(p=5, 4e9, forstep(k=6, 9e9, 6, if(isprime(p+k)&isprime(p+2*k), if(k>r, r=k; print1(", "k)); break)))
CROSSREFS
KEYWORD
nonn
AUTHOR
Charles R Greathouse IV, May 10 2011
STATUS
approved