0,2
Cf. A042882.
Sequence in context: A041625 A083283 A049738 * A139273 A185939 A048395
Adjacent sequences: A042880 A042881 A042882 * A042884 A042885 A042886
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).