0,1
Cf. A042057.
Sequence in context: A084667 A157358 A158238 this_sequence A087807 A044100 A044481
Adjacent sequences: A042053 A042054 A042055 this_sequence A042057 A042058 A042059
nonn,cofr,easy,less
N. J. A. Sloane (njas(AT)research.att.com).
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