id:A078706 - OEIS Search Results

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a(n) = smallest integer >=a(n-1) such that sum of first n terms is prime.

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2, 3, 6, 6, 6, 6, 8, 10, 12, 12, 12, 14, 16, 18, 18, 18, 24, 32, 34, 36, 38, 42, 46, 48, 54, 56, 64, 68, 78, 90, 90, 94, 102, 114, 122, 124, 134, 144, 148, 150, 152, 160, 168, 170, 178, 182, 190, 192, 200, 216, 220, 222, 234, 234, 234, 246, 260, 264, 268, 270, 278, 280 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=2, the first prime. The smallest integer >=2 that yields a prime when added to 2 is 3, so a(2)=3. The smallest integer >=3 that yields a prime when added to 2+3 is 6 so a(3)=6.`
	CROSSREFS	`Cf. A051935.` `Sequence in context: A113399 A085273 A151850 this_sequence A077082 A099162 A023832` `Adjacent sequences: A078703 A078704 A078705 this_sequence A078707 A078708 A078709`
	KEYWORD	`easy,nonn`
	AUTHOR	`N. Fernandez (primeness(AT)borve.org), Dec 18 2002`

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

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