id:A073884 - OEIS Search Results

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a(1) =2. Let S(k) = sum of k terms. If S(n) is prime then a(n+1) is the smallest prime not included earlier else a(n+1) is the smallest composite number not included earlier.

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2, 3, 5, 4, 6, 8, 9, 7, 10, 12, 14, 15, 16, 18, 20, 11, 21, 13, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 17, 50, 51, 52, 54, 55, 56, 57, 58, 60, 19, 62, 63, 64, 65, 66, 68, 69, 70, 23, 72, 74, 75, 29, 76, 77, 78, 80, 81, 82, 84, 85, 31 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A073298 A073291 A073280 this_sequence A097290 A085181 A097347` `Adjacent sequences: A073881 A073882 A073883 this_sequence A073885 A073886 A073887`
	KEYWORD	`nonn,new`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 17 2002`
	EXTENSIONS	`Corrected and extended by Sean A. Irvine (sairvin(AT)xtra.co.nz), Nov 29 2009`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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