id:A023279 - OEIS Search Results

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Numbers n such that n remains prime through 3 iterations of function f(x) = 3x + 8.

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11, 31, 211, 1151, 3181, 5051, 5261, 6101, 6661, 9391, 9551, 10501, 11701, 13171, 15901, 16481, 19531, 22051, 24181, 26261, 27031, 28351, 28591, 28661, 29411, 30941, 31321, 32621, 38011, 40471, 42101, 48371, 49921, 57571, 59791, 61981, 66161, 67271 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A128337 A093382 A098264 this_sequence A068715 A093881 A111015` `Adjacent sequences: A023276 A023277 A023278 this_sequence A023280 A023281 A023282`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.

AT&T Labs Research