id:A024892 - OEIS Search Results

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Numbers n such that 3*n+1 is prime.

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7

2, 4, 6, 10, 12, 14, 20, 22, 24, 26, 32, 34, 36, 42, 46, 50, 52, 54, 60, 64, 66, 70, 74, 76, 80, 90, 92, 94, 102, 104, 110, 112, 116, 122, 124, 126, 132, 136, 140, 144, 146, 152, 154, 162, 166, 174, 180, 182, 190, 192, 200, 202, 204, 206, 210, 214, 220, 224, 230, 236, 242, 244, 246 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = 2*A024899(n) = A034936(n)+1`
	CROSSREFS	`A002476 gives primes, A091178 gives prime index.` `Sequence in context: A103799 A141104 A047410 this_sequence A087136 A132631 A105965` `Adjacent sequences: A024889 A024890 A024891 this_sequence A024893 A024894 A024895`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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