%I #5 Mar 30 2012 18:40:03

%S 2,23,235,2357,23571,235712,2357123,23571235,235712357,2357123579,

%T 23571235792,235712357923,2357123579235,23571235792357,

%U 235712357923579,2357123579235791,23571235792357912,235712357923579123

%N Concatenation of the first through n-th members of A117819.

%Y Cf. A117819.

%K base,easy,nonn

%O 1,1

%A _Giovanni Teofilatto_, May 16 2006

%E Edited and corrected by _R. J. Mathar_, Feb 01 2008