id:A023290 - OEIS Search Results

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Numbers n such that n remains prime through 3 iterations of function f(x) = 7x + 6.

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149, 439, 1319, 2069, 2089, 2389, 2699, 2819, 4259, 4919, 5059, 5689, 6469, 7559, 8429, 8669, 9199, 9239, 9319, 9769, 10159, 10529, 14449, 14479, 17659, 18899, 19289, 23879, 25189, 29819, 33119, 33149, 34159, 34439, 35089, 36229, 38839, 39829, 40699 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A142359 A112859 A141980 this_sequence A142629 A078849 A078950` `Adjacent sequences: A023287 A023288 A023289 this_sequence A023291 A023292 A023293`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research