0,1
Cf. A042121.
Sequence in context: A124657 A052581 A052605 this_sequence A044356 A044737 A093699
Adjacent sequences: A042117 A042118 A042119 this_sequence A042121 A042122 A042123
nonn,cofr,easy,less
N. J. A. Sloane (njas(AT)research.att.com).
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