id:A124190 - OEIS Search Results

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a(n) is largest prime < 4*a(n-1).

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2, 7, 23, 89, 353, 1409, 5623, 22483, 89923, 359663, 1438643, 5754571, 23018273, 92073083, 368292317, 1473169213, 5892676849, 23570707387, 94282829533, 377131318127, 1508525272477, 6034101089897, 24136404359569, 96545617438253 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Artur Jasinski (grafix(AT)csl.pl), Dec 16 2006, Table of n, a(n) for n = 1..40`
	CROSSREFS	`Cf. A006902, A040016, A120031-A120040.` `Sequence in context: A047002 A127497 A001338 this_sequence A047062 A093636 A073344` `Adjacent sequences: A124187 A124188 A124189 this_sequence A124191 A124192 A124193`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Dec 16 2006`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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