id:A023300 - OEIS Search Results

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Numbers n such that n remains prime through 3 iterations of function f(x) = 10x + 3.

+0
1

2, 7, 17, 19, 23, 61, 101, 103, 409, 719, 857, 997, 1297, 1531, 1699, 2399, 3253, 3491, 4583, 4933, 5119, 5189, 5939, 6277, 6863, 7789, 8669, 9187, 9887, 10061, 10253, 10267, 11027, 11777, 12791, 12899, 13669, 17209, 17293, 17489, 17839, 19211, 19379 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A079815 A006883 A023269 this_sequence A045378 A101568 A167168` `Adjacent sequences: A023297 A023298 A023299 this_sequence A023301 A023302 A023303`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research