0,3
Cf. A042616.
Sequence in context: A124681 A041386 A041388 this_sequence A041390 A162931 A155480
Adjacent sequences: A042614 A042615 A042616 this_sequence A042618 A042619 A042620
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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