0,1
Cf. A042027.
Sequence in context: A070024 A057877 A156568 this_sequence A042028 A069756 A099068
Adjacent sequences: A042023 A042024 A042025 this_sequence A042027 A042028 A042029
nonn,cofr,easy,less
N. J. A. Sloane (njas(AT)research.att.com).
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