id:A023283 - OEIS Search Results

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Numbers n such that n remains prime through 3 iterations of function f(x) = 5x + 2.

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19, 373, 607, 1171, 1381, 1867, 2137, 2539, 3181, 4021, 5689, 5827, 5857, 6163, 7213, 7507, 11497, 12007, 13291, 13687, 14173, 15193, 16453, 21997, 22501, 24799, 25657, 28723, 31393, 31957, 32587, 35863, 40813, 42667, 42859, 43321, 43951, 45061, 45691 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A001029 A057685 A041686 this_sequence A075839 A158592 A072359` `Adjacent sequences: A023280 A023281 A023282 this_sequence A023284 A023285 A023286`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research