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A078745 Numbers n such that { (product of all the composite numbers <= n) - the n-th prime } is prime. 1
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, Feb 12 2007

STATUS

approved

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Last modified October 24 12:11 EDT 2014. Contains 248516 sequences.