1,2

Do[ If[ PrimeQ[ 10*11^n + 1 ], Print[ n ] ], {n, 0, 1000} ]

Sequence in context: A126911 A135285 A103071 this_sequence A048195 A133634 A014090

Adjacent sequences: A057459 A057460 A057461 this_sequence A057463 A057464 A057465

nonn

Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 08 2000