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%I #11 Dec 09 2014 03:41:49
%S 1,1,1,2,2,4,2,3,3,2,5,2,6,3,3,3,3,6,5,3,5,5,5,6,4,6,6,6,4,5,6,3,3,7,
%T 6,5,5,12,8,10,8,5,5,7,6,5,8,9,8,6,4,6,7,7,7,6,8,5,8,8,7,5,9,8,8,7,7,
%U 11,7,7,8,14,10,9,7,7,7,6,7,8,10,8,10,9,7,7,5,7,7,7,9,8,7,8,10,6,8,7
%N Length of longest contiguous block of ones in binary representation of n!.
%C a(n) = A038374(A000142(n)).
%H <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a>
%H <a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a>.
%e n=10: 10!=3628800 = '1101110101111100000000' = '.........11111........': a(10)=5.
%Y Cf. A036603, A007088.
%K nonn
%O 0,4
%A _Reinhard Zumkeller_, Apr 11 2004
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