A112856 - OEIS

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A112856

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

3, 13, 30241, 670442572801, 20007974164906320568399715106816000001, 31370018474571622355156067715319586116075520000001 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Next term (2*72)!/72!+1 has 146 decimal digits.`
	CROSSREFS	`Cf. A112855 n such that (2n)!/n!+1 is prime, A112854 primes of the form (2n)!/n!-1.` `Sequence in context: A127855 A087333 A016104 * A007523 A092830 A087345` `Adjacent sequences: A112853 A112854 A112855 * A112857 A112858 A112859`
	KEYWORD	`nonn`
	AUTHOR	`Hugo Pfoertner (hugo(AT)pfoertner.org), Sep 25 2005`

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Last modified February 16 11:22 EST 2012. Contains 205907 sequences.