id:A065731 - OEIS Search Results

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Greatest perfect square that does not exceed n!.

+0
3

1, 1, 1, 4, 16, 100, 676, 4900, 40000, 362404, 3625216, 39904489, 478996996, 6226945921, 87177877081, 1307672296225, 20922784184449, 355687416544329, 6402373660047556, 121645099966283776, 2432902006216007824 (list; graph; listen)

	OFFSET	`1,4`
	FORMULA	`a(n) = floor(sqrt(n!))^2`
	CROSSREFS	`a(n)=A048760[A000142(n)]` `Cf. A048760, A000142, A065730-A065741` `Sequence in context: A114023 A121142 A087296 this_sequence A074187 A111883 A094637` `Adjacent sequences: A065728 A065729 A065730 this_sequence A065732 A065733 A065734`
	KEYWORD	`easy,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 15 2001`

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

AT&T Labs Research