id:A062042 - OEIS Search Results

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A062042

a(1) = 2, a(n) = least number greater than a(n-1) such that a(n-1) + a(n) is a prime.

+0
3

2, 3, 4, 7, 10, 13, 16, 21, 22, 25, 28, 31, 36, 37, 42, 47, 50, 51, 52, 55, 58, 69, 70, 79, 84, 89, 90, 91, 100, 111, 112, 115, 118, 121, 130, 133, 136, 141, 142, 151, 156, 157, 160, 171, 176, 177, 182, 185, 188, 191, 192, 197, 200, 201, 208, 211, 220, 223, 226 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(5) = 10 and the least number more than 10 that gives a prime when increased by 10 is 13, 13 + 10 = 23.`
	CROSSREFS	`Cf. A062044.` `Sequence in context: A105330 A097545 A073627 this_sequence A107817 A008811 A144678` `Adjacent sequences: A062039 A062040 A062041 this_sequence A062043 A062044 A062045`
	KEYWORD	`nonn,easy`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 05 2001`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), Jun 06 2001`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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