0,2
Cf. A042124.
Sequence in context: A141224 A064423 A022130 this_sequence A041905 A098004 A056227
Adjacent sequences: A042122 A042123 A042124 this_sequence A042126 A042127 A042128
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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