0,5

Why would one clump the three series in this way? [R. J. Mathar, Apr 08 2009]

Table of n, a(n) for n=0..93.

Cf. A112593.

Sequence in context: A270774 A263144 A126715 * A163469 A105121 A290658

Adjacent sequences: A158802 A158803 A158804 * A158806 A158807 A158808

nonn

Paul Curtz, Mar 27 2009

Edited and extended by R. J. Mathar, Apr 08 2009

approved