%I #3 Mar 30 2012 17:40:40
%S 77,4328,5666,9365,41505566065992219342,44035313091289689595,
%T 46429818586950933764,48959565612248404017,51040434387751595977,
%U 53570181413049066230,55964686908710310399,58494433934007780652
%N n times n+7 gives the concatenation of two numbers m and m+4.
%e 9365 * 9372 = 8776//8780, where // denotes concatenation.
%Y Cf. A116133, A116311, A116318, A116320, A116326.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006