id:A074657 - OEIS Search Results

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Number of Lyndon words (aperiodic necklaces) with 5n beads of 5 colors, n beads of each color.

+0
2

24, 11328, 11211192, 15277006080, 24934429725000, 45695805580701504, 90784545100668913368, 191417861328822311040000, 422458626725600682506889600, 966695515158024385775097720000 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Index entries for sequences related to Lyndon words`
	FORMULA	`1/(5n) * sum over d\|n of {mu(n/d) * (5d)! / d!^5}.`
	CROSSREFS	`a(n) = A074653(n)/5. a(n)=A074654(n)*24.` `Sequence in context: A088616 A065142 A065236 this_sequence A013729 A028694 A091777` `Adjacent sequences: A074654 A074655 A074656 this_sequence A074658 A074659 A074660`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Aug 29 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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