%I #2 Mar 30 2012 17:40:40
%S 8,74,7249,7934,86897,95988,7450775,8912862,3546363535354546354,
%T 4635454646463635464,5364545353536364536,6453636464645453646,
%U 31993591495513432827264,39229430087220380122376
%N n times n+1 gives the concatenation of two numbers m and m-5.
%e 8912862 * 8912863 = 7943911//7943906, where // denotes
%e concatenation.
%Y Cf. A116120, A116246, A116252, A116265.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006