%I #2 Mar 30 2012 17:40:40
%S 45,47,3180,3454,6538,6812,32423077888994073533,47028976905526474404,
%T 49049512306209075907,50950487693790924085,52971023094473525588,
%U 67576922111005926459,71498432899270376140,75216895567882908524
%N n times n+9 gives the concatenation of two numbers m and m+6.
%e 6812 * 6821 = 4646//4652, where // denotes concatenation.
%Y Cf. A116203, A116328, A116333, A116342.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
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