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Search: id:A023297
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A023297 Numbers n such that n remains prime through 3 iterations of function f(x) = 9x + 4. +0
1
3, 31, 37, 41, 107, 421, 773, 967, 1451, 1567, 1571, 1637, 1973, 3011, 3793, 4111, 4217, 4703, 5783, 6961, 7331, 8443, 8627, 9323, 10733, 12071, 12413, 12721, 12967, 13523, 14107, 14503, 14737, 15647, 17851, 17881, 19853, 19991, 20051, 20233, 22157, 23291 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A090543 A139090 A042477 this_sequence A077546 A141177 A154502

Adjacent sequences: A023294 A023295 A023296 this_sequence A023298 A023299 A023300

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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