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%I #2 Mar 30 2012 17:40:40
%S 72,3255,6738,9752,80647887029795095027968358511096470120,
%T 85938613861405938604061385940594061403,
%U 88568679109003015820047566431888549328
%N n times n+8 gives the concatenation of two numbers m and m+3.
%e 9752 * 9760 = 9517//9520, where // denotes concatenation.
%Y Cf. A116181, A116305, A116311, A116313, A116320.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006