id:A112744 - OEIS Search Results

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Least k such that 6*k*p(n)^2 -1 is prime, where p(i)=i-th prime.

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1, 1, 1, 1, 2, 1, 1, 4, 3, 2, 4, 2, 4, 1, 3, 7, 2, 2, 5, 10, 1, 2, 1, 8, 1, 5, 10, 2, 12, 3, 5, 8, 2, 5, 2, 4, 2, 3, 2, 1, 4, 5, 2, 1, 1, 4, 14, 1, 1, 10, 8, 7, 9, 2, 1, 1, 2, 4, 1, 5, 1, 10, 5, 7, 1, 3, 3, 8, 12, 3, 7, 9, 5, 1, 7, 1, 4, 3, 2, 4, 4, 12, 4, 2, 8, 7, 8, 1, 8, 7, 2, 2, 2, 2, 4, 22, 4, 2, 10, 3, 3 (list; graph; listen)

	OFFSET	`1,5`
	MATHEMATICA	`Table[k = 1; While[ ! PrimeQ[6kPrime[n]^2 - 1], k++ ]; k, {n, 102}] (Chandler)`
	CROSSREFS	`Cf. A112745, A112746.` `Sequence in context: A129705 A074744 A010360 this_sequence A078015 A083293 A055370` `Adjacent sequences: A112741 A112742 A112743 this_sequence A112745 A112746 A112747`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Sep 18 2005`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 08 2005`

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

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