0,1
Cf. A042431.
Sequence in context: A031455 A045004 A042432 this_sequence A042434 A042436 A042438
Adjacent sequences: A042427 A042428 A042429 this_sequence A042431 A042432 A042433
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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