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A115449
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Numbers n such that 4*n^5 - 1 is prime.
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0
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1, 2, 3, 8, 12, 23, 27, 42, 68, 75, 86, 96, 113, 117, 125, 135, 140, 146, 168, 182, 185, 188, 191, 198, 233, 245, 255, 267, 281, 287, 297, 306, 311, 318, 327, 360, 362, 366, 377, 390, 392, 395, 408, 416, 423, 432, 447, 456, 465, 486, 488, 497, 516, 531, 555
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OFFSET
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1,2
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LINKS
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EXAMPLE
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If n=96 then (4*n^5 - 1) = 32614907903 (prime).
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MATHEMATICA
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PROG
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(PARI) for(i=1, 2000, if(isprime(4*i^5-1), print1(i, ", "))) \\ Matthew Conroy, Mar 12 2006
(PARI) for(i=1, 2000, if(isprime(4*i^5-1), print1(i, ", "))) \\ Matthew Conroy, Mar 12 2006
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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