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%I #5 Mar 30 2012 17:37:12
%S 120,56640,56055960,76385030400,124672148625000,228479027903507520,
%T 453922725503344566840,957089306644111555200000,
%U 2112293133628003412534448000,4833477575790121928875488600000
%N 1/n * sum over d|n of {mu(n/d) * (5d)! / d!^5}.
%H <a href="/index/Lu#Lyndon">Index entries for sequences related to Lyndon words</a>
%Y Inverse Witt transform of A006176. a(n) = A074657(n)*5.
%K nonn
%O 1,1
%A _Christian G. Bower_, Aug 28 2002