0,3
Cf. A041514.
Sequence in context: A000663 A122673 A139102 this_sequence A010750 A026591 A007224
Adjacent sequences: A041512 A041513 A041514 this_sequence A041516 A041517 A041518
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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