0,1
Cf. A042531.
Sequence in context: A074233 A050973 A095301 this_sequence A042532 A069917 A028380
Adjacent sequences: A042527 A042528 A042529 this_sequence A042531 A042532 A042533
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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