A099350 - OEIS

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A099350

Numbers n such that 4*n! - 1 is prime.

0, 1, 2, 3, 5, 6, 10, 11, 51, 63, 197, 313, 579 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	COMMENTS	`Remaining terms are greater than 1000.`
	EXAMPLE	`n=5 is here because 4*5!-1=479 is prime.`
	MAPLE	`for n from 0 to 1000 do if isprime(4*n! - 1) then print(n) end if end do;`
	CROSSREFS	`Cf. A076680.` `Sequence in context: A053436 A057546 A138587 * A191173 A008627 A027593` `Adjacent sequences: A099347 A099348 A099349 * A099351 A099352 A099353`
	KEYWORD	`nonn`
	AUTHOR	`Brian Kell (bkell(AT)cmu.edu), Oct 12 2004`

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Last modified February 13 08:12 EST 2012. Contains 205451 sequences.