id:A023254 - OEIS Search Results

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Numbers n such that n remains prime through 2 iterations of function f(x) = 5x + 6.

+0
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7, 11, 29, 41, 53, 79, 83, 107, 113, 137, 139, 149, 163, 181, 193, 233, 239, 359, 379, 401, 449, 487, 503, 547, 601, 643, 653, 809, 839, 877, 883, 911, 1009, 1087, 1093, 1103, 1117, 1171, 1259, 1289, 1303, 1367, 1373, 1481, 1511, 1579, 1637, 1747, 1787, 1801 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A122560 A136338 A110572 this_sequence A129807 A045461 A109907` `Adjacent sequences: A023251 A023252 A023253 this_sequence A023255 A023256 A023257`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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