1,1
See A000162.
Sequence in context: A079979 A089010 A122276 this_sequence A111412 A080111 A014034
Adjacent sequences: A066285 A066286 A066287 this_sequence A066289 A066290 A066291
nonn
Brendan Owen (brendan_owen(AT)yahoo.com), Jan 01 2002
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