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A137577 Largest of the least frequent digits in decimal representation of n!. 3

%I #5 Mar 30 2012 18:50:59

%S 9,9,9,9,9,9,9,9,9,9,9,7,8,9,6,9,6,1,9,9,5,8,9,9,5,7,7,9,9,2,7,9,4,7,

%T 8,8,6,8,8,6,6,9,7,9,9,8,7,7,9,9,9,9,9,1,6,8,2,7,7,5,5,1,4,5,7,1,5,7,

%U 6,6,3,9,5,9,6,3,1,5,9,4,9,8,5,8,5,8,8,6,7,4,3,3,9,9,9,1,2,5,1,7,7

%N Largest of the least frequent digits in decimal representation of n!.

%C A137578(n) <= a(n).

%H <a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a>.

%e n=10: 10! = 3628800 => a(10) = Max{1,4,5,7,9} = 9;

%e n=11: 11! = 39916800 => a(11) = Max{2,4,5,7} = 7.

%Y Cf. A000142, A027869, A079680, A079714, A079684, A079688, A079690, A079691, A079692, A079693, A079694, A137579, A137580.

%K nonn,base

%O 0,1

%A _Reinhard Zumkeller_, Jan 27 2008

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