id:A083730 - OEIS Search Results

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Greatest prime^2 factor of n, or a(n)=1 for square-free n.

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1, 1, 1, 4, 1, 1, 1, 4, 9, 1, 1, 4, 1, 1, 1, 4, 1, 9, 1, 4, 1, 1, 1, 4, 25, 1, 9, 4, 1, 1, 1, 4, 1, 1, 1, 9, 1, 1, 1, 4, 1, 1, 1, 4, 9, 1, 1, 4, 49, 25, 1, 4, 1, 9, 1, 4, 1, 1, 1, 4, 1, 1, 9, 4, 1, 1, 1, 4, 1, 1, 1, 9, 1, 1, 25, 4, 1, 1, 1, 4, 9, 1, 1, 4, 1, 1, 1, 4, 1, 9, 1, 4, 1, 1, 1, 4, 1, 49, 9 (list; graph; listen)

	OFFSET	`1,4`
	CROSSREFS	`Cf. A006530, A001248, A005117, A013929, A008833, A046028.` `Sequence in context: A010328 A085731 A131301 this_sequence A162400 A008833 A063928` `Adjacent sequences: A083727 A083728 A083729 this_sequence A083731 A083732 A083733`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 14 2003`

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

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