0,3

Table of n, a(n) for n=0..68.

I would very much like a g.f. for this sequence!

Cf. A151843-A151874.

Sequence in context: A157513 A087706 A102447 * A262083 A181284 A010697

Adjacent sequences: A151866 A151867 A151868 * A151870 A151871 A151872

nonn

N. J. A. Sloane, Jul 17 2009

approved