0,2
Cf. A000931.
Sequence in context: A117597 A112639 A117599 this_sequence A117600 A117601 A117604
Adjacent sequences: A117599 A117600 A117601 this_sequence A117603 A117604 A117605
nonn,base
Luc Stevens (lms022(AT)yahoo.com), Apr 05 2006
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