id:A084438 - OEIS Search Results

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n!!!-1 is prime.

+0
2

3, 4, 6, 8, 20, 36, 50, 60, 114, 135, 138, 248, 315, 351, 429, 642, 5505, 8793, 12086, 13580, 23109, 34626, 34706, 56282, 57675, 58298 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`The search for multifactorial primes started by Ray Ballinger is now continued by a team of volunteers on the website of Ken Davis (see link).`
	LINKS	`Ken Davis, Status of Search for Multifactorial Primes.` `Ken Davis, Results for n!3-1.`
	CROSSREFS	`Cf. A007661 (triple factorials), A037083.` `Adjacent sequences: A084435 A084436 A084437 this_sequence A084439 A084440 A084441` `Sequence in context: A139452 A063506 A135725 this_sequence A143037 A080710 A115837`
	KEYWORD	`hard,nonn`
	AUTHOR	`Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 25 2003`
	EXTENSIONS	`More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 03 2008`

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Last modified October 15 20:12 EDT 2008. Contains 145099 sequences.

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