0,2
Cf. A042418.
Sequence in context: A067229 A041535 A129214 this_sequence A037956 A095369 A006493
Adjacent sequences: A042416 A042417 A042418 this_sequence A042420 A042421 A042422
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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