%I A086654
%S A086654 1,5,4,9,20,14,40,28,434,10,1337,354,5370
%N A086654 Smallest number a[n] > n such that a[n]! contains n! as a substring.
%C A086654 What is a[13]?
%e A086654 a[5]=14 since 14!= 8717829_120_0.
%Y A086654 Sequence in context: A068397 A022344 A046588 this_sequence A152064 A088482 
               A163888
%Y A086654 Adjacent sequences: A086651 A086652 A086653 this_sequence A086655 A086656 
               A086657
%K A086654 base,hard,nonn
%O A086654 0,2
%A A086654 Erich Friedman (efriedma(AT)stetson.edu), Sep 11 2003