0,2
Cf. A042414.
Sequence in context: A166879 A128947 A157595 this_sequence A112910 A102909 A003398
Adjacent sequences: A042412 A042413 A042414 this_sequence A042416 A042417 A042418
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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