0,1
Cf. A042331.
Sequence in context: A083578 A042326 A042328 this_sequence A052241 A042332 A138081
Adjacent sequences: A042327 A042328 A042329 this_sequence A042331 A042332 A042333
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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