0,3
Cf. A041978.
Sequence in context: A001289 A103045 A126464 this_sequence A001686 A013205 A042365
Adjacent sequences: A041976 A041977 A041978 this_sequence A041980 A041981 A041982
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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