0,1
Cf. A041621.
Sequence in context: A107417 A056125 A027566 this_sequence A142965 A058649 A103308
Adjacent sequences: A041617 A041618 A041619 this_sequence A041621 A041622 A041623
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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