id:A049420 - OEIS Search Results

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Numbers n such that (n!/n#)+1 is prime, where n# = primorial numbers A034386.

+0
4

4, 8, 14, 20, 26, 34, 56, 104, 153, 182, 194, 217, 230, 280, 462, 529, 1445, 2515, 3692 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Note that n!/n# is known as n compositorial.`
	LINKS	`Chris Caldwell, Compositorial`
	CROSSREFS	`Sequence in context: A022804 A067699 A066941 this_sequence A055507 A121896 A131937` `Adjacent sequences: A049417 A049418 A049419 this_sequence A049421 A049422 A049423`
	KEYWORD	`nonn`
	AUTHOR	`Paul Jobling (paul.jobling(AT)whitecross.com)`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.