id:A093713 - OEIS Search Results

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Numbers n such that 6^n-5^(n-1) is prime.

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1, 2, 3, 4, 5, 12, 16, 18, 21, 42, 66, 69, 123, 132, 165, 204, 397, 401, 486, 657, 1005, 1050, 1882 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Do[ If[ PrimeQ[6^n - 5^(n - 1)], Print[n]], {n, 2000}]`
	CROSSREFS	`Cf. A093765.` `Sequence in context: A077375 A132027 A103651 this_sequence A057472 A117577 A069469` `Adjacent sequences: A093710 A093711 A093712 this_sequence A093714 A093715 A093716`
	KEYWORD	`nonn`
	AUTHOR	`Herman H. Rosenfeld (herm3(AT)pacbell.net) and Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 17 2004`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.