0,4

R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 269.

Table of n, a(n) for n=0..73.

Cf. A051726.

Sequence in context: A267025 A127148 A228746 * A174867 A244950 A174149

Adjacent sequences: A051724 A051725 A051726 * A051728 A051729 A051730

nonn,easy,frac

N. J. A. Sloane

approved