0,2
Cf. A042236.
Sequence in context: A042471 A041871 A061249 this_sequence A042937 A045504 A068500
Adjacent sequences: A042234 A042235 A042236 this_sequence A042238 A042239 A042240
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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