id:A112864 - OEIS Search Results

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Primes of the form (2*n)!/(2*(n!)^2)+1.

+0
3

2, 11, 127, 463, 20058301, 17672631901, 16123801841551, 51913710643776705684835561, 12738806129490428451365214301, 760401738905937245009910944207609329 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A001700(n-1)=(2n)!/(2(n!)^2), A112863 gives n such that (2n)!/(2(n!)^2)+1 is prime, A112862 gives primes of the form (2n)!/(2(n!)^2)-1.` `Sequence in context: A118794 A155928 A001946 this_sequence A077391 A104087 A154596` `Adjacent sequences: A112861 A112862 A112863 this_sequence A112865 A112866 A112867`
	KEYWORD	`nonn`
	AUTHOR	`Hugo Pfoertner (hugo(AT)pfoertner.org), Sep 30 2005`

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

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