1,2

Note that the concatenation of the first 10k terms is not necessarily a multiple of 10k.

Table of n, a(n) for n=1..80.

Cf. A051883, A073894, A099552.

Sequence in context: A263978 A263726 A088167 * A099552 A252749 A076199

Adjacent sequences: A073890 A073891 A073892 * A073894 A073895 A073896

base,nonn,easy

Amarnath Murthy, Aug 17 2002

Edited and extended by David Wasserman, Oct 21 2004

approved