0,3
Cf. A042926.
Sequence in context: A037751 A037639 A000176 this_sequence A140305 A142346 A106980
Adjacent sequences: A042924 A042925 A042926 this_sequence A042928 A042929 A042930
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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