id:A099592 - OEIS Search Results

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Minimum index i of certain Lucas (or Lehmer) sequences such that every element with index >= i has a primitive divisor.

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1260, 330, 210, 120, 90, 78, 66, 60, 60, 60, 42, 42, 42, 42, 42, 42, 42, 42, 42, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30 (list; graph; listen)

	OFFSET	`2,1`
	COMMENT	`For n>20, a(n) = 30.`
	LINKS	`P. M. Voutier, Primitive divisors of Lucas and Lehmer sequences`
	CROSSREFS	`Sequence in context: A080718 A159726 A048130 this_sequence A014575 A144563 A158737` `Adjacent sequences: A099589 A099590 A099591 this_sequence A099593 A099594 A099595`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Oct 26 2004`

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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.

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