%I #4 Oct 14 2012 12:58:14
%S 1,9,145,1459,13139,213040,1758629,19210003,153362052,1724515947,
%T 15434111703,176062673167,1281243062759,11270705761846,
%U 142415666495594,1145004602355098,11968345165915849,121510372538044487
%N Largest number in largest finite set fixed by mapping f(k) = sum of n-th power of digits of k.
%C The terms a(12) = 1281243062759 and beyond are conjectural, but almost certainly correct.
%K nonn,base
%O 0,2
%A _David W. Wilson_