0,13
Table of n, a(n) for n=0..30.
Cf. A045918, A047842.
Sequence in context: A320707 A235228 A157947 * A033674 A043526 A031500
Adjacent sequences: A097596 A097597 A097598 * A097600 A097601 A097602
easy,nonn,base
Odimar Fabeny, Aug 29 2004
approved