0,1
Cf. A042851.
Sequence in context: A042844 A042846 A042848 this_sequence A042852 A042854 A042856
Adjacent sequences: A042847 A042848 A042849 this_sequence A042851 A042852 A042853
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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