0,3
Cf. A042254.
Sequence in context: A062395 A099975 A127056 this_sequence A152213 A089471 A118804
Adjacent sequences: A042252 A042253 A042254 this_sequence A042256 A042257 A042258
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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