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%I #2 Mar 30 2012 17:40:40
%S 6,7282818,8171728,4550754022124826467,5449245977875173533,
%T 8176518705147900806,8951999555715882882349355522889,
%U 9861090464806791973258446431980
%N n times n+1 gives the concatenation of two numbers m and m-2.
%e 8171728 * 8171729 = 6677714//6677712, where // denotes
%e concatenation.
%Y Cf. A116141, A116265, A116273, A116285.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
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