A074653 1/n * sum over d|n of {mu(n/d) * (5d)! / d!^5}.

120, 56640, 56055960, 76385030400, 124672148625000, 228479027903507520, 453922725503344566840, 957089306644111555200000, 2112293133628003412534448000, 4833477575790121928875488600000

Offset

1,1

Links

Table of n, a(n) for n=1..10.

Index entries for sequences related to Lyndon words

Crossrefs

Inverse Witt transform of A006176. a(n) = A074657(n)*5.

Sequence in context: A275455 A109897 A301393 * A065961 A364512 A333043

Adjacent sequences: A074650 A074651 A074652 * A074654 A074655 A074656

Keyword

nonn

Author

Christian G. Bower, Aug 28 2002

Status

approved