id:A057914 - OEIS Search Results

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Numbers n such that 2*5^n + 3 is prime.

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1, 2, 6, 7, 26, 35, 50, 115, 171, 204, 219, 362, 644, 1959, 4427 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Do[ If[ PrimeQ[ 2*5^n + 3 ], Print[ n ] ], {n, 1, 2000} ]`
	CROSSREFS	`Sequence in context: A100901 A004791 A060112 this_sequence A057249 A155003 A021377` `Adjacent sequences: A057911 A057912 A057913 this_sequence A057915 A057916 A057917`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 16 2000`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.