A055772 - OEIS

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A055772

Square root of largest square dividing n!.

1, 1, 1, 2, 2, 12, 12, 24, 72, 720, 720, 1440, 1440, 10080, 30240, 120960, 120960, 725760, 725760, 7257600, 7257600, 79833600, 79833600, 958003200, 4790016000, 62270208000, 186810624000, 2615348736000, 2615348736000, 15692092416000 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	FORMULA	`a(n) = A000188(n!) = Sqrt[A008833(n!)] = Sqrt[A055071(n)]; n! = a(n)a(n)A055204(n) = a(n)a(n)A007913(n!) = n! = (A000188(n!)^2)A055229(n!)A055231(n!)` `a(n)=A000188(n!)=Sqrt[A008833(n!)]=Sqrt[A055071(n)] n!=(A000188(n!)^2)A055229(n!)A055231(n!)`
	CROSSREFS	`Cf. A000188, A008833, A007913, A055229, A055231, A055071, A055204, A055230.` `Sequence in context: A109767 A196061 A131121 * A025527 A092144 A181813` `Adjacent sequences: A055769 A055770 A055771 * A055773 A055774 A055775`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 12 2000`

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Last modified February 16 21:45 EST 2012. Contains 205978 sequences.