A078745 - OEIS

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A078745

Numbers n such that { (product of all the composite numbers <= n) - the n-th prime } is prime.

6, 7, 8, 15, 23, 36, 93, 117, 121, 131, 150, 310, 433, 896, 1226, 4439 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Some of the larger entries may only correspond to probable primes.`
	LINKS	`Table of n, a(n) for n=1..16.`
	CROSSREFS	`Cf. A000142, A034386, A078744.` `Sequence in context: A133893 A101647 A155150 * A087663 A112813 A048018` `Adjacent sequences: A078742 A078743 A078744 * A078746 A078747 A078748`
	KEYWORD	`more,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Dec 21 2002`
	EXTENSIONS	`One more term from Ryan Propper (rpropper(AT)stanford.edu), Feb 12 2007`
	STATUS	`approved`

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Last modified May 25 20:22 EDT 2013. Contains 225649 sequences.