2,1

Table of n, a(n) for n=2..18.

a(2)=65 which is the concatenation of 1 and 30 (130) divided by 2.

a(3)=8 which is the concatenation of 2 and 40 (240) divided by 30.

Cf. A113696.

Sequence in context: A351308 A279290 A034061 * A302210 A094378 A033385

Adjacent sequences: A113693 A113694 A113695 * A113697 A113698 A113699

base,nonn

Amarnath Murthy, Nov 11 2005

Corrected and extended by R. J. Mathar, Aug 31 2007

approved