id:A098778 - OEIS Search Results

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Least k such that (k*P(n)#)^2 + 1 is prime with P(i)#=i-th primorial.

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1, 1, 3, 1, 1, 12, 7, 1, 13, 13, 7, 10, 13, 6, 4, 1, 6, 46, 12, 27, 15, 40, 31, 14, 17, 9, 26, 9, 7, 5, 23, 27, 26, 2, 5, 9, 5, 24, 17, 23, 26, 166, 110, 2, 24, 87, 6, 113, 116, 3, 140, 12, 93, 26, 2, 15, 63, 15, 2, 143, 19, 19, 27, 122, 26, 28, 206, 10 (list; graph; listen)

	OFFSET	`1,3`
	CROSSREFS	`Sequence in context: A067402 A113340 A134523 this_sequence A078122 A128592 A156584` `Adjacent sequences: A098775 A098776 A098777 this_sequence A098779 A098780 A098781`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Oct 04 2004`

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

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