id:A109347 - OEIS Search Results

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Zsigmondy numbers for a = 5, b = 3: Zs(n, 5, 3) is the greatest divisor of 5^n - 3^n (A005058) that is relatively prime to 5^m - 3^m for all nonnegative integers m < n.

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2, 1, 49, 17, 1441, 19, 37969, 353, 19729, 421, 24325489, 481, 609554401, 10039, 216001, 198593, 381405156481, 12979, 9536162033329, 288961, 18306583, 6125659, 5960417405949649, 346561, 103408180634401, 152787181, 3853528045489 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Eric Weisstein's World of Mathematics, Zsigmondy's Theorem`
	CROSSREFS	`Cf. A064078-A064083, A109325, A109348, A109349.` `Adjacent sequences: A109344 A109345 A109346 this_sequence A109348 A109349 A109350` `Sequence in context: A038021 A127609 A100018 this_sequence A054210 A092650 A104024`
	KEYWORD	`nonn`
	AUTHOR	`Jonathan Vos Post (jvospost2(AT)yahoo.com), Aug 21 2005`
	EXTENSIONS	`Edited, corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 26 2005`

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

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