0,2
Cf. A042308.
Sequence in context: A074254 A122963 A067520 this_sequence A048697 A090076 A156592
Adjacent sequences: A042306 A042307 A042308 this_sequence A042310 A042311 A042312
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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