%I #2 Mar 30 2012 17:40:40
%S 8,698,775,789,866,42336,57656,96882,44121665,55878327,85298136,
%T 36680703009575609347721358492,63319296990424390652278641500,
%U 69346342454876071597336150480,81501115172242572470460459682
%N n times n+9 gives the concatenation of two numbers m and m-7.
%e 85298136 * 85298145 = 72757727//72757720, where // denotes
%e concatenation.
%Y Cf. A116114, A116240, A116244, A116258.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006