1,2

Table of n, a(n) for n=1..71.

Cf. A005185.

Sequence in context: A044813 A154661 A275672 * A233334 A320300 A070762

Adjacent sequences: A087750 A087751 A087752 * A087754 A087755 A087756

nonn

Roger L. Bagula, Oct 02 2003

Edited by N. J. A. Sloane, Nov 08 2005

approved