%I #2 Mar 30 2012 17:40:40
%S 8,9,98,99,361,635,712,921,998,999,8903,9998,9999,81816,99998,99999,
%T 336631,663365,999998,999999,7272725,9999998,9999999,76470587,
%U 99999998,99999999,333666331,405436666,428571427,447710183,454545452
%N n times n+5 gives the concatenation of two numbers m and m-6.
%Y Cf. A116118, A116236, A116248, A116250, A116255.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006