0,2
Cf. A042342.
Sequence in context: A135525 A117538 A001060 this_sequence A042691 A112732 A042065
Adjacent sequences: A042340 A042341 A042342 this_sequence A042344 A042345 A042346
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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