A098774 - OEIS

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A098774

Least k such that (k*Mersenne-prime(n))^2 + 1 is prime.

2, 2, 4, 12, 80, 34, 8, 12, 94, 96, 668, 198, 1170, 38, 700, 2402, 394, 7154, 4040, 1740, 4644, 8976, 12300 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A182894 A007181 A100238 * A009264 A048157 A130797` `Adjacent sequences: A098771 A098772 A098773 * A098775 A098776 A098777`
	KEYWORD	`more,nonn`
	AUTHOR	`Pierre CAMI (pierre-cami(AT)bbox.fr), Oct 03 2004`
	EXTENSIONS	`More terms from Ray G. Opao (1260(AT)email.com), Dec 23 2004` `12300 from Ryan Propper (rpropper(AT)cs.stanford.edu), Jan 02 2008`

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Last modified February 14 20:13 EST 2012. Contains 205663 sequences.