0,3
Cf. A042472.
Sequence in context: A105226 A139021 A145771 this_sequence A042665 A041029 A158353
Adjacent sequences: A042470 A042471 A042472 this_sequence A042474 A042475 A042476
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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