%I #2 Mar 30 2012 17:40:40
%S 73,7248,7933,86896,95987,7450774,8912861,3546363535354546353,
%T 4635454646463635463,5364545353536364535,6453636464645453645,
%U 31993591495513432827263,39229430087220380122375
%N n times n+3 gives the concatenation of two numbers m and m-7.
%e 8912861 * 8912864 = 7943911//7943904, where // denotes
%e concatenation.
%Y Cf. A116110, A116234, A116242, A116253.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006