id:A090252 - OEIS Search Results

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a(n) is the least number not already used that is coprime to the previous floor(n/2) terms.

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1, 2, 3, 5, 4, 7, 9, 11, 13, 17, 8, 19, 23, 25, 21, 29, 31, 37, 41, 43, 47, 53, 16, 59, 61, 67, 71, 73, 55, 79, 27, 49, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 26, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 85, 121, 223, 227, 57, 229 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) is coprime to the next n terms. - David Wasserman (wasserma(AT)spawar.navy.mil), Oct 24 2005`
	CROSSREFS	`Cf. A084937.` `Sequence in context: A118318 A084937 A081994 this_sequence A140140 A119474 A029654` `Adjacent sequences: A090249 A090250 A090251 this_sequence A090253 A090254 A090255`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 27 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Oct 24 2005`

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

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