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A239345
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Numbers n such that n^8+8 is prime.
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2
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3, 33, 105, 129, 165, 201, 231, 351, 363, 393, 447, 543, 687, 861, 951, 1107, 1149, 1227, 1257, 1269, 1293, 1359, 1389, 1515, 1557, 1605, 1647, 1689, 1761, 1803, 1815, 1941, 1977, 2073, 2127, 2145, 2163, 2289, 2355, 2415, 2445, 2481, 2571, 2607, 2619, 2775, 2811, 2859, 2973, 3141, 3171, 3321, 3327, 3333, 3393, 3471, 3501, 3513
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OFFSET
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1,1
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COMMENTS
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Note that all the numbers in this sequence are odd.
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LINKS
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EXAMPLE
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3^8+8 = 6569 is prime. Thus, 3 is a member of this sequence.
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MATHEMATICA
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Select[Range[1, 3600, 2], PrimeQ[#^8+8]&] (* Harvey P. Dale, Apr 20 2015 *)
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PROG
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(Python)
import sympy
from sympy import isprime
{print(n) for n in range(10**4) if isprime(n**8+8)}
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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