0,1
Cf. A042311.
Sequence in context: A056026 A159762 A100242 this_sequence A125363 A126521 A159519
Adjacent sequences: A042307 A042308 A042309 this_sequence A042311 A042312 A042313
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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