A070592 - OEIS

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A070592

Largest prime factor of the n-th Fermat number F(n) = 2^(2^n) + 1.

3, 5, 17, 257, 65537, 6700417, 67280421310721, 5704689200685129054721, 93461639715357977769163558199606896584051237541638188580280321 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Eric Weisstein's World of Mathematics, Fermat Number`
	CROSSREFS	`Cf. A000215, A050922.` `Sequence in context: A093179 A067387 A050922 * A100270 A000215 A123599` `Adjacent sequences: A070589 A070590 A070591 * A070593 A070594 A070595`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 12 2002`
	EXTENSIONS	`Offset changed by Arkadiusz Wesolowski, Jul 09 2011`

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Last modified February 16 15:57 EST 2012. Contains 205935 sequences.