0,2
Cf. A042310.
Sequence in context: A041134 A108219 A041317 * A003997 A114090 A139753
Adjacent sequences: A042308 A042309 A042310 * A042312 A042313 A042314
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).