0,2
Cf. A042232.
Sequence in context: A132598 A115892 A145531 this_sequence A091825 A166091 A068185
Adjacent sequences: A042230 A042231 A042232 this_sequence A042234 A042235 A042236
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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