0,2
Cf. A042448.
Sequence in context: A042809 A108413 A002531 this_sequence A046115 A089443 A106872
Adjacent sequences: A042446 A042447 A042448 this_sequence A042450 A042451 A042452
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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