0,1
Cf. A042733.
Sequence in context: A042726 A042728 A042730 * A042734 A041419 A042736
Adjacent sequences: A042729 A042730 A042731 * A042733 A042734 A042735
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).