0,3
Cf. A042696.
Sequence in context: A006609 A005663 A112834 this_sequence A042905 A082914 A092031
Adjacent sequences: A042694 A042695 A042696 this_sequence A042698 A042699 A042700
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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