id:A097521 - OEIS Search Results

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Difference between F(n) and nextprime(F(n)) where F(n) is the n-th Fermat Number.

+0
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2, 2, 2, 6, 2, 14, 12, 50, 296, 74, 642, 980, 1760 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`F(n) = 2^(2^n)+1, n=0, 1, 2...`
	EXAMPLE	`F(5) = 4294967297. Nextprime(F(5)) = 4294967311.` `4294967311 - 4294967297 = 14 the 6-th entry in the table.`
	CROSSREFS	`Sequence in context: A074928 A110512 A078020 this_sequence A081668 A126615 A158524` `Adjacent sequences: A097518 A097519 A097520 this_sequence A097522 A097523 A097524`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Aug 27 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.