id:A086530 - OEIS Search Results

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Beginning with 1, odd numbers such that the arithmetic mean of successive pairs of terms gives primes in their natural order. {a(n) + a(n+1)}/2 = prime(n).

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1, 3, 3, 7, 7, 15, 11, 23, 15, 31, 27, 35, 39, 43, 43, 51, 55, 63, 59, 75, 67, 79, 79, 87, 91, 103, 99, 107, 107, 111, 115, 139, 123, 151, 127, 171, 145, 151, 175, 159, 187, 171, 191, 191, 195, 199, 199, 223, 223, 231, 227, 239, 239, 243, 259, 255, 271, 267 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n+1) = 2*prime(n) - a(n). - Sam Handler (sam_5_5_5_0(AT)yahoo.com), Nov 13 2004`
	CROSSREFS	`Sequence in context: A083743 A126990 A128498 this_sequence A052551 A070925 A107222` `Adjacent sequences: A086527 A086528 A086529 this_sequence A086531 A086532 A086533`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 31 2003`
	EXTENSIONS	`More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Nov 13 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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