A056627 - OEIS

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A056627

Square root of largest unitary square divisor of n!.

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; refs; listen; history; internal format)

	OFFSET	`1,6`
	COMMENTS	`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: A113595 A109053 A186100 * A061074 A134324 A064161` `Adjacent sequences: A056624 A056625 A056626 * A056628 A056629 A056630`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Aug 08 2000`

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Last modified February 14 18:09 EST 2012. Contains 205663 sequences.