0,1
Cf. A042547.
Sequence in context: A042542 A042540 A042544 this_sequence A164689 A065655 A113958
Adjacent sequences: A042543 A042544 A042545 this_sequence A042547 A042548 A042549
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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