id:A086539 - OEIS Search Results

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Beginning with 1, a(n) = smallest number coprime to the k previous terms, where k = floor(n/2).

+0
1

1, 2, 3, 5, 7, 8, 9, 11, 13, 17, 19, 23, 25, 28, 29, 31, 33, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 80, 83, 89, 91, 97, 101, 103, 107, 109, 111, 113, 121, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 230, 233 (list; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`a(7) = 9 which is coprime to the three previous terms 5, 7 and 8.`
	CROSSREFS	`Sequence in context: A078643 A137698 A063743 this_sequence A049468 A001857 A091532` `Adjacent sequences: A086536 A086537 A086538 this_sequence A086540 A086541 A086542`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 29 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Mar 21 2005`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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