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A188936
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Numbers k such that (2^k + 3)^2 - 8 is prime.
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2
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1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 19, 27, 28, 32, 36, 48, 56, 61, 131, 170, 251, 750, 771, 779, 790, 874, 1176, 1728, 2604, 3541, 5394, 6203, 9230, 26712, 45840, 46019, 56220
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OFFSET
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1,2
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LINKS
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PROG
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(PARI) for(n=1, 10^6, if(isprime((2^n+3)^2-8), print1(n, ", "))); /* Joerg Arndt, Apr 25 2011 */
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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