0,3
Cf. A042476.
Sequence in context: A089281 A090543 A139090 this_sequence A023297 A077546 A141177
Adjacent sequences: A042474 A042475 A042476 this_sequence A042478 A042479 A042480
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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