0,2
Cf. A042432.
Sequence in context: A193686 A000204 A075193 * A024319 A041209 A041739
Adjacent sequences: A042430 A042431 A042432 * A042434 A042435 A042436
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).