1,1
Cf. A014566, A001414.
Sequence in context: A069506 A123165 A098438 this_sequence A107989 A069504 A101828
Adjacent sequences: A064769 A064770 A064771 this_sequence A064773 A064774 A064775
nonn
Jason Earls (zevi_35711(AT)yahoo.com), Oct 19 2001
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