0,1
Cf. A042785.
Sequence in context: A108454 A064783 A053014 * A042786 A042782 A042780
Adjacent sequences: A042781 A042782 A042783 * A042785 A042786 A042787
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).