0,2
Cf. A042902.
Sequence in context: A042978 A089675 A041383 * A132534 A118702 A073524
Adjacent sequences: A042900 A042901 A042902 * A042904 A042905 A042906
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).