0,1
Cf. A042261.
Sequence in context: A045567 A141278 A022395 this_sequence A042262 A042264 A042256
Adjacent sequences: A042257 A042258 A042259 this_sequence A042261 A042262 A042263
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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