0,3
Cf. A042158.
Sequence in context: A106018 A056921 A041245 this_sequence A071898 A002317 A137098
Adjacent sequences: A042156 A042157 A042158 this_sequence A042160 A042161 A042162
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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