0,3
Cf. A042386.
Sequence in context: A041827 A042089 A156191 this_sequence A007666 A064177 A042721
Adjacent sequences: A042384 A042385 A042386 this_sequence A042388 A042389 A042390
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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