id:A074249 - OEIS Search Results

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a(0) = 1; for n > 0, a(n) = largest prime factor of 7^n-1.

+0
2

1, 3, 3, 19, 5, 2801, 43, 4733, 1201, 1063, 2801, 293459, 181, 16148168401, 4733, 159871, 169553, 2767631689, 117307, 4534166740403, 4021, 11898664849, 10746341, 31479823396757, 1201, 31280679788951, 16148168401, 2583253 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A130184 A096935 A136475 this_sequence A101617 A131443 A059368` `Adjacent sequences: A074246 A074247 A074248 this_sequence A074250 A074251 A074252`
	KEYWORD	`nonn`
	AUTHOR	`njas, Sep 26 2002`
	EXTENSIONS	`More terms from Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 29 2002`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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