0,1
Cf. A042329.
Sequence in context: A083578 A173307 A042326 * A042330 A052241 A042332
Adjacent sequences: A042325 A042326 A042327 * A042329 A042330 A042331
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).