0,1
Cf. A042595.
Sequence in context: A042568 A162302 A042592 * A042590 A042588 A042586
Adjacent sequences: A042591 A042592 A042593 * A042595 A042596 A042597
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).