0,3
Cf. A042166.
Sequence in context: A073657 A025136 A092981 this_sequence A126910 A143887 A141503
Adjacent sequences: A042164 A042165 A042166 this_sequence A042168 A042169 A042170
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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