id:A098877 - OEIS Search Results

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Least k such that 3*(6*n)^k + 1 is prime.

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1, 1, 3, 1, 3, 1, 1, 3, 1, 1, 1, 14, 2, 2, 1, 3, 1, 270, 12, 2, 1, 1, 8, 1, 3, 2, 1, 2, 1, 1, 12, 1, 11, 1, 1, 2, 2, 12, 3, 2, 1, 1, 8, 2, 1, 1, 2, 3, 1, 2, 1, 1, 11, 3, 1, 1, 14, 2, 1, 16, 24, 1, 4, 1, 1, 3, 9, 3, 66, 4, 1, 1, 3, 6, 3, 3, 2, 7, 1, 3, 1, 156, 3, 2, 1, 1, 1, 12, 77, 1, 5, 1, 20, 1, 3, 2 (list; graph; listen)

	OFFSET	`1,3`
	MATHEMATICA	`f[n_] := Block[{k = 1}, While[ !PrimeQ[3((6n)^k) + 1], k++ ]; k]; Table[ f[n], {n, 96}] (from Robert G. Wilson v Oct 21 2004)`
	CROSSREFS	`Cf. A098876.` `Sequence in context: A088204 A100375 A066975 this_sequence A091088 A115627 A128218` `Adjacent sequences: A098874 A098875 A098876 this_sequence A098878 A098879 A098880`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Oct 13 2004`
	EXTENSIONS	`More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 21 2004`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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