0,1
Cf. A042873.
Sequence in context: A024003 A147963 A027846 this_sequence A142623 A089705 A125368
Adjacent sequences: A042869 A042870 A042871 this_sequence A042873 A042874 A042875
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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