1,2
A164851, A000032
Sequence in context: A135123 A129476 A037278 this_sequence A033048 A108771 A041308
Adjacent sequences: A164849 A164850 A164851 this_sequence A164853 A164854 A164855
nonn
M. Dols (markdols99(AT)yahoo.com), Aug 28 2009
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