id:A087050 - OEIS Search Results

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Square root of largest square >1 dividing non-squarefree number.

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2, 2, 3, 2, 4, 3, 2, 2, 5, 3, 2, 4, 6, 2, 2, 3, 4, 7, 5, 2, 3, 2, 2, 3, 8, 2, 6, 5, 2, 4, 9, 2, 2, 3, 2, 4, 7, 3, 10, 2, 6, 4, 2, 3, 2, 11, 2, 5, 3, 8, 2, 3, 2, 2, 12, 7, 2, 5, 2, 3, 2, 4, 9, 2, 2, 13, 3, 2, 5, 4, 6, 2, 2, 3, 8, 14, 3, 10, 2, 3, 4, 2, 6, 2, 4, 15, 2, 2, 3, 2, 4, 11, 9, 2, 7, 2, 5, 6, 16, 2, 3 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)^2 is the largest square factor(from A000290) of the non-squarefree number A013929(n), n>=1.`
	EXAMPLE	`n=10, A013929(10)=27, a(10)^2 =3^2=9. 27=9*3.` `n=39, A013929(39)=100, a(39)^2=10^2=100.`
	CROSSREFS	`Cf. A087049, A013929, A000188, A000290.` `Sequence in context: A129294 A117658 A067540 this_sequence A065770 A086375 A107324` `Adjacent sequences: A087047 A087048 A087049 this_sequence A087051 A087052 A087053`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Sep 08 2003`

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Last modified September 7 23:08 EDT 2008. Contains 143486 sequences.

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