1,4
Cf. A000045.
Adjacent sequences: A073577 A073578 A073579 this_sequence A073581 A073582 A073583
Sequence in context: A050089 A125571 A084738 this_sequence A140445 A012789 A127438
nonn
Jason Earls (zevi_35711(AT)yahoo.com), Aug 28 2002
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