id:A124489 - OEIS Search Results

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Numbers n such that 2n-1, 4n-1, 6n-1, 8n-1, 10n-1 and 12n-1 are primes.

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77385, 87675, 320775, 329175, 509355, 1137045, 1447110, 2623005, 3310965, 3974880, 4095000, 4339335, 5183220, 6163815, 6975780, 9080190, 9462285, 10957170, 11139975, 11148900, 12382755, 12796140, 15514695, 15917580 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[357Range[160000], And @@ PrimeQ /@ ({2, 4, 6, 8, 10, 12}# - 1) &] (Chandler)`
	CROSSREFS	`Cf. A124485-A124492.` `Sequence in context: A104327 A046720 A152498 this_sequence A157732 A069044 A087026` `Adjacent sequences: A124486 A124487 A124488 this_sequence A124490 A124491 A124492`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Nov 04 2006`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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