OFFSET
2,2
EXAMPLE
1,2; 1,3,5,6; 3,5,9,11,13,14; 1,3,9,13,15,19,21,25,27,29,30; ...
and 16 - {3,5,9,11,13,14} are all primes.
CROSSREFS
KEYWORD
nonn,tabf,easy
AUTHOR
N. J. A. Sloane, Nov 29 2000
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org) and James A. Sellers, Nov 30 2000
STATUS
approved