0,2
Cf. A007418.
Sequence in context: A102074 A126227 A024189 this_sequence A087542 A016456 A010266
Adjacent sequences: A007448 A007449 A007450 this_sequence A007452 A007453 A007454
nonn,frac
N. J. A. Sloane (njas(AT)research.att.com).
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