0,2
Cf. A042142.
Sequence in context: A102718 A066267 A084122 this_sequence A042467 A024465 A041889
Adjacent sequences: A042140 A042141 A042142 this_sequence A042144 A042145 A042146
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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