0,3
Cf. A041728.
Sequence in context: A121621 A119715 A023273 this_sequence A078665 A163666 A093552
Adjacent sequences: A041726 A041727 A041728 this_sequence A041730 A041731 A041732
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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