1,3
Cf. A117677, A117010.
Sequence in context: A056531 A144917 A102828 this_sequence A100458 A000960 A031215
Adjacent sequences: A117676 A117677 A117678 this_sequence A117680 A117681 A117682
easy,nonn
Mark Taggart (mt2612f(AT)aol.com), Apr 12 2006
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