0,1
Cf. A042123.
Sequence in context: A055669 A195824 A183009 * A042124 A042126 A157514
Adjacent sequences: A042119 A042120 A042121 * A042123 A042124 A042125
nonn,cofr,easy,less
N. J. A. Sloane (njas(AT)research.att.com).