A057909 - OEIS

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A057909

Numbers n such that 4^n + n is prime.

1, 3, 9, 15, 37, 85, 133, 225, 1233 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	MATHEMATICA	`Do[ If[ PrimeQ[ 4^n + n ], Print[ n ] ], {n, 0, 3000} ]`
	CROSSREFS	`Sequence in context: A058039 A013581 A133997 * A082702 A065917 A053624` `Adjacent sequences: A057906 A057907 A057908 * A057910 A057911 A057912`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 16 2000`

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Last modified February 17 09:16 EST 2012. Contains 206009 sequences.