id:A023298 - OEIS Search Results

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Numbers n such that n remains prime through 3 iterations of function f(x) = 9x + 8.

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11, 61, 251, 397, 467, 727, 907, 1747, 1901, 2221, 2617, 3121, 3527, 3581, 4001, 4099, 4211, 4759, 5231, 5717, 6277, 6661, 6689, 7237, 7877, 8117, 8171, 8581, 9371, 9587, 11171, 12457, 12539, 13109, 14221, 15187, 15731, 16069, 16477, 16979, 17117, 17491 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Adjacent sequences: A023295 A023296 A023297 this_sequence A023299 A023300 A023301` `Sequence in context: A141935 A001847 A089764 this_sequence A106992 A115565 A137410`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

AT&T Labs Research