%I #2 Mar 31 2012 14:40:13
%S 7,92,992,9924,99556,999572,9998693,99996927,999985976,9999957996,
%T 99999789966,999999779234,9999998979517,99999997832434,
%U 999999992914885,9999999982155956
%N Largest n-digit number m such that m and m^10 are zeroless.
%K base,nonn
%O 1,1
%A _Zak Seidov_, Dec 22 2006