id:A065734 - OEIS Search Results

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Largest square <= sigma[n].

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1, 1, 4, 4, 4, 9, 4, 9, 9, 16, 9, 25, 9, 16, 16, 25, 16, 36, 16, 36, 25, 36, 16, 49, 25, 36, 36, 49, 25, 64, 25, 49, 36, 49, 36, 81, 36, 49, 49, 81, 36, 81, 36, 81, 64, 64, 36, 121, 49, 81, 64, 81, 49, 100, 64, 100, 64, 81, 49, 144, 49, 81, 100, 121, 81, 144, 64, 121, 81, 144 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n)=A048760[A000203(n)]=A048760[A000203(n)]`
	MATHEMATICA	`Table[Floor[Sqrt[sigma(n)]//N]^2, {w, 1, 50}]`
	CROSSREFS	`Cf. A048760, A000203, A065730-A065741` `Sequence in context: A110757 A085071 A011412 this_sequence A048761 A075561 A117405` `Adjacent sequences: A065731 A065732 A065733 this_sequence A065735 A065736 A065737`
	KEYWORD	`easy,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 15 2001`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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