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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) A109836 Numbers k such that k^6+6 is prime. 2 1, 175, 385, 539, 595, 679, 1211, 1225, 1379, 1981, 2219, 2345, 2681, 2891, 3101, 3199, 3395, 3829, 4039, 4249, 4291, 4445, 5201, 5299, 5411, 5509, 5635, 5719, 5761, 5831, 6181, 6391, 6685, 7315, 7469, 7511, 7931, 8435, 9695, 9779, 10451, 10955 (list; graph; refs; listen; history; text; internal format) OFFSET 1,2 COMMENTS All terms except the first are divisible by 7. LINKS Table of n, a(n) for n=1..42. PROG (PARI) isok(n) = isprime(n^6+6); \\ Michel Marcus, Oct 06 2013 CROSSREFS Sequence in context: A351720 A015806 A369954 * A332047 A186211 A205748 Adjacent sequences: A109833 A109834 A109835 * A109837 A109838 A109839 KEYWORD nonn AUTHOR Zak Seidov, Jul 04 2005 STATUS approved

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Last modified July 31 03:41 EDT 2024. Contains 374774 sequences. (Running on oeis4.)