OFFSET
1,1
EXAMPLE
a(1)=25: p(25)=97 and p(26)=101, the first cousin prime pair; p(27)=103 and p(28)=107, the second cousin prime pair; p(29)=109 and p(30)=113, the third cousin prime pair; p(31)=127 and p(32)=131, the fourth cousin prime pair.
CROSSREFS
KEYWORD
nonn
AUTHOR
Ray G. Opao, Jul 15 2004
STATUS
approved