1,3
Do[ If[ PrimeQ[ 3*13^n + 2 ], Print[ n ] ], {n, 0, 1500} ]
Adjacent sequences: A057868 A057869 A057870 this_sequence A057872 A057873 A057874
Sequence in context: A022373 A111751 A037416 this_sequence A152243 A074160 A137074
nonn
Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 15 2000
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