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A023338
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Numbers n such that n remains prime through 5 iterations of function f(x) = 3x + 10.
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0
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233, 709, 11699, 16417, 24481, 31663, 63317, 94999, 172279, 185243, 205081, 228713, 240347, 266681, 285539, 334511, 372059, 395719, 479327, 583501, 734197, 786613, 856627, 863711, 1146091, 1187167, 1188259, 1423067, 1534591, 1562269, 1594301
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| n, 3*n+10, 9*n+40, 27*n+130, 81*n+400 and 243*n+1210 are primes. [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Aug 05 2010]
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PROG
| (MAGMA) [n: n in [1..25000000] | IsPrime(n) and IsPrime(3*n+10) and IsPrime(9*n+40) and IsPrime(27*n+130) and IsPrime(81*n+400) and IsPrime(243*n+1210)] [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Aug 05 2010]
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CROSSREFS
| Sequence in context: A097447 A142783 A142848 * A108820 A003537 A037033
Adjacent sequences: A023335 A023336 A023337 * A023339 A023340 A023341
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KEYWORD
| nonn
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AUTHOR
| David W. Wilson (davidwwilson(AT)comcast.net)
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