0,3
Cf. A042594.
Sequence in context: A057791 A122660 A163744 this_sequence A002351 A042035 A030980
Adjacent sequences: A042592 A042593 A042594 this_sequence A042596 A042597 A042598
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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