id:A088612 - OEIS Search Results

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a(1) =1, a(n) = n-th squarefree number if n is non square-free else a(n) is the n-th non square-free number.

+0
2

1, 8, 9, 5, 16, 18, 20, 11, 13, 27, 28, 17, 36, 40, 44, 23, 48, 29, 50, 31, 54, 56, 60, 37, 38, 68, 41, 42, 76, 80, 81, 51, 88, 90, 92, 58, 98, 99, 100, 65, 108, 112, 116, 70, 71, 121, 124, 77, 78, 79, 132, 83, 136, 86, 144, 89, 148, 150, 152, 95, 156, 160, 102, 103, 168 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(9) = 13, the 9-th squarefree number, A005117(9).`
	CROSSREFS	`Cf. A005117, A013929, A088611.` `Sequence in context: A010532 A091725 A029689 this_sequence A093626 A048271 A021531` `Adjacent sequences: A088609 A088610 A088611 this_sequence A088613 A088614 A088615`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 16 2003`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 18 2003`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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