0,3
Cf. A042734.
Sequence in context: A041756 A041757 A041758 * A156758 A089837 A020347
Adjacent sequences: A042732 A042733 A042734 * A042736 A042737 A042738
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).