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%I #2 Mar 30 2012 17:40:40
%S 4,8600,9422,35440,64552,73643,4851411,5148581,8784945,726216462984,
%T 753613723258,791909893641,819307153915,3654754464602947512,
%U 4527063717215234298,5472936282784765694,6345245535397052480
%N n times n+9 gives the concatenation of two numbers m and m-3.
%e 8784945 * 8784954 = 7717533//7717530, where // denotes
%e concatenation.
%Y Cf. A116140, A116264, A116270, A116278.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
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