%I A008906
%S A008906 1,1,1,1,2,2,2,3,4,5,5,6,7,8,9,10,11,12,13,15,15,16,18,19,20,20,21,23,
               24,
%T A008906 25,26,27,29,30,32,33,34,36,37,39,39,41,43,44,46,47,48,50,52,53,53,55,
               56,
%U A008906 58,60,61,62,64,66,68,68,70,72,74,76,76,78,80,82,84,85,86,88,90,92,92,
               94
%N A008906 Number of digits in n! excluding final zeros.
%H A008906 T. D. Noe, <a href="b008906.txt">Table of n, a(n) for n=0..1000</a>
%H A008906 <a href="Sindx_Fi.html#final">Index entries for sequences related to 
               final digits of numbers</a>
%Y A008906 Cf. A027868.
%Y A008906 Sequence in context: A096533 A029096 A076872 this_sequence A029074 A036016 
               A051918
%Y A008906 Adjacent sequences: A008903 A008904 A008905 this_sequence A008907 A008908 
               A008909
%K A008906 nonn,base,easy
%O A008906 0,5
%A A008906 Russ Cox (rsc(AT)swtch.com)