id:A023329 - OEIS Search Results

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Numbers n such that n remains prime through 4 iterations of function f(x) = 10x + 9.

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13, 139, 293, 1889, 2939, 3719, 6089, 7741, 12823, 19753, 21391, 22861, 28513, 36721, 37967, 40949, 60899, 76519, 83621, 101747, 121687, 127549, 128239, 142099, 149197, 153817, 155581, 158489, 160159, 169283, 173651, 180749, 185831, 192037, 198221 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A090505 A088096 A023301 this_sequence A142896 A125425 A016145` `Adjacent sequences: A023326 A023327 A023328 this_sequence A023330 A023331 A023332`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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