id:A085701 - OEIS Search Results

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Smallest multiple of n such that a(n) + a(n-1) is a squarefree number.

+0
1

1, 2, 3, 4, 10, 12, 7, 8, 9, 10, 11, 12, 26, 56, 15, 16, 17, 18, 19, 20, 21, 22, 69, 24, 50, 52, 27, 28, 29, 30, 31, 64, 33, 34, 35, 36, 37, 76, 39, 40, 82, 84, 43, 44, 45, 46, 47, 48, 49, 100, 51, 52, 53, 54, 55, 56, 57, 58, 177, 60, 122, 124, 63, 64, 65, 66, 67, 136, 69, 70, 71 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`The sequence ends with a(319)=1276, since 320k + 1276 is divisible by 4 for all k.`
	CROSSREFS	`Sequence in context: A116019 A087460 A082866 this_sequence A051627 A023725 A076079` `Adjacent sequences: A085698 A085699 A085700 this_sequence A085702 A085703 A085704`
	KEYWORD	`fini,nonn`
	AUTHOR	`Jason Earls, Amarnath Murthy (zevi_35711(AT)yahoo.com), Jul 18 2003`
	EXTENSIONS	`Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Jul 20 2003`

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.

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