id:A078744 - OEIS Search Results

Search: id:A078744

Displaying 1-1 of 1 results found.

page 1

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

+0
2

1, 4, 6, 7, 8, 13, 17, 18, 21, 41, 86, 101, 144, 368, 1232, 1713 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Some of the larger entries may only correspond to probable primes.`
	CROSSREFS	`Cf. A000142, A034386, A078745.` `Sequence in context: A100349 A047507 A024554 this_sequence A024555 A001690 A105447` `Adjacent sequences: A078741 A078742 A078743 this_sequence A078745 A078746 A078747`
	KEYWORD	`more,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Dec 21 2002`

page 1

Search completed in 0.002 seconds

Last modified December 9 18:50 EST 2009. Contains 170568 sequences.