id:A126607 - OEIS Search Results

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a(1) = 2, a(2) = 3; for n>2, a(n) = least prime such that a(n-2) is the largest prime factor of a(n)+a(n-1).

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2, 3, 5, 7, 3, 11, 7, 37, 5, 439, 11, 7013, 379, 27673, 373, 54973, 977, 548753, 4229, 7678313, 10009, 230339381, 27763, 5067438619, 197297, 273641488129, 375209, 14229357007499, 5322971, 369963276872003, 60154183, 64373610115574339 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Peter Pein, Table of n, a(n) for n = 1..50`
	CROSSREFS	`Adjacent sequences: A126604 A126605 A126606 this_sequence A126608 A126609 A126610` `Sequence in context: A039706 A073034 A126050 this_sequence A124322 A075241 A097883`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)gmail.com), Jan 07 2007`
	EXTENSIONS	`More terms from Peter Pein, Jan 08 2007`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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