id:A055772 - OEIS Search Results

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Square root of largest square dividing n!.

+0
15

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; listen)

	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: A024538 A109767 A131121 this_sequence A025527 A092144 A059187` `Adjacent sequences: A055769 A055770 A055771 this_sequence A055773 A055774 A055775`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 12 2000`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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