id:A059042 - OEIS Search Results

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Numbers n such that 2*7^n + 5 is prime.

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0, 1, 2, 3, 5, 9, 11, 15, 33, 38, 239, 419, 441, 486, 5127 (list; graph; listen)

	OFFSET	`1,3`
	MATHEMATICA	`Do[ If[ PrimeQ[ 2*7^n + 5 ], Print[n] ], {n, 0, 6850} ]`
	CROSSREFS	`Adjacent sequences: A059039 A059040 A059041 this_sequence A059043 A059044 A059045` `Sequence in context: A137509 A014109 A102940 this_sequence A101737 A019276 A097683`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 12 2001`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.