id:A056790 - OEIS Search Results

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Greatest prime factor of n^n + (n+1)^(n+1).

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5, 31, 283, 23, 743, 331, 1600069, 410353, 60042893, 8969, 7438489991, 116803, 4879633159, 61215157711, 338142271, 34041259347101651, 45072130459, 6564253087266573169, 22022174223585405703, 121937899012999 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Walter Nissen, Home Page (listed in lieu of email address)`
	EXAMPLE	`a(4) = 23 because 4^4 + 5^5 = 3381 = 3 * 7^2 * 23.`
	CROSSREFS	`Sequence in context: A125598 A058892 A056187 this_sequence A129586 A135744 A020514` `Adjacent sequences: A056787 A056788 A056789 this_sequence A056791 A056792 A056793`
	KEYWORD	`nonn`
	AUTHOR	`Walter Nissen Aug 20 2000`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research