0,2
Cf. A042430.
Sequence in context: A127068 A058603 A042653 this_sequence A032834 A025140 A078504
Adjacent sequences: A042428 A042429 A042430 this_sequence A042432 A042433 A042434
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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