1,1
Cf. A008745.
Sequence in context: A077077 A043519 A043384 this_sequence A147547 A135198 A139400
Adjacent sequences: A008743 A008744 A008745 this_sequence A008747 A008748 A008749
nonn,fini
N. J. A. Sloane (njas(AT)research.att.com).
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