0,3
Cf. A042394.
Sequence in context: A041206 A023151 A097990 * A041210 A042413 A041212
Adjacent sequences: A042392 A042393 A042394 * A042396 A042397 A042398
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).