0,3
Cf. A041756.
Sequence in context: A197353 A041179 A041756 * A041758 A042735 A156758
Adjacent sequences: A041754 A041755 A041756 * A041758 A041759 A041760
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).