%I #2 Mar 31 2012 10:26:36
%S 1,5,4,9,20,14,40,28,434,10,1337,354,5370
%N Smallest number a[n] > n such that a[n]! contains n! as a substring.
%C What is a[13]?
%e a[5]=14 since 14!= 8717829_120_0.
%K base,hard,nonn
%O 0,2
%A _Erich Friedman_, Sep 11 2003
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