0,3
Cf. A042604.
Sequence in context: A135301 A030672 A030682 this_sequence A042317 A042027 A042283
Adjacent sequences: A042602 A042603 A042604 this_sequence A042606 A042607 A042608
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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