A138639 - OEIS

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A138639

Nonnegative integers n such that 19*n-1 is prime.

2, 6, 8, 12, 20, 30, 32, 36, 42, 48, 56, 68, 72, 78, 90, 92, 96, 98, 110, 116, 126, 138, 140 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	EXAMPLE	`192-1=37, 196-1=113, 19*8-1=151, ...`
	MATHEMATICA	`a={}; Do[x=19*n-1; If[PrimeQ[x], AppendTo[a, n]], {n, 10^2}]; a`
	CROSSREFS	`Sequence in context: A162860 A093006 A177869 * A082473 A113462 A065392` `Adjacent sequences: A138636 A138637 A138638 * A138640 A138641 A138642`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Orlovsky (4vladimir(AT)gmail.com), May 15 2008`

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Last modified February 15 12:25 EST 2012. Contains 205786 sequences.