0,2
Cf. A042240.
Sequence in context: A041095 A041333 A041715 this_sequence A042911 A137918 A114502
Adjacent sequences: A042238 A042239 A042240 this_sequence A042242 A042243 A042244
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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