id:A056627 - OEIS Search Results

Search: id:A056627

Displaying 1-1 of 1 results found.

page 1

Square root of largest unitary square divisor of n!.

+0
1

1, 1, 1, 1, 1, 12, 12, 12, 36, 720, 720, 480, 480, 1680, 3024, 12096, 12096, 145152, 145152, 7257600, 345600, 1900800, 1900800, 136857600, 684288000, 4447872000, 4447872000, 435891456000, 435891456000, 3138418483200, 3138418483200 (list; graph; listen)

	OFFSET	`1,6`
	COMMENT	`Unitary analogue of A055772.`
	FORMULA	`a(n)=A055772(n)/A055230(n)=A000188(n!)/A055229(n!)`
	EXAMPLE	`n=12, 12!=14401440231, square root of the largest square divisor is 1440, but it becomes unitary if divided by g=3, so a(12)=480.`
	CROSSREFS	`A055772, A055230, A000188, A055229.` `Sequence in context: A028996 A113595 A109053 this_sequence A061074 A134324 A064161` `Adjacent sequences: A056624 A056625 A056626 this_sequence A056628 A056629 A056630`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Aug 08 2000`

page 1

Search completed in 0.002 seconds

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research