0,3
Sequence in context: A021988 A021619 A107496 this_sequence A011005 A021945 A002371
Adjacent sequences: A126661 A126662 A126663 this_sequence A126665 A126666 A126667
cofr,nonn
Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Feb 10 2007
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