0,1

Table of n, a(n) for n=0..52.

0.4270385

See also A113011

Sequence in context: A248250 A176385 A155829 * A205143 A087056 A076129

Adjacent sequences: A181048 A181049 A181050 * A181052 A181053 A181054

cons,nonn

Jonathan D. B. Hodgson, Oct 01 2010

approved