OFFSET
1,1
COMMENTS
Some of these are prime quadruples, but some are not. Call them unrestricted prime quadruples.
LINKS
Eric Weisstein's World of Mathematics, Prime Quadruplet
PROG
(PARI) {forprime(p1=0, 3000, p2=p1+2; if(!isprime(p2), next; ); forprime(p3=p2+1, 6000, p4=p3+2; if(isprime(p4), print1(p1, ", ", p2, ", ", p3, ", ", p4, ", ")); break; ))}
CROSSREFS
KEYWORD
nonn
AUTHOR
Harry J. Smith, Dec 16 2007
STATUS
approved