1,1
Cf. A000043, A112633, A112634, A112649.
Sequence in context: A151661 A094599 A050082 this_sequence A161989 A000069 A140137
Adjacent sequences: A112645 A112646 A112647 this_sequence A112649 A112650 A112651
nonn
Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Dec 27 2005
Edited by Don Reble (djr(AT)nk.ca), Jan 25 2006
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