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 A302133 Numbers k such that 8*k^k - 7 is prime. 3
 10, 800, 1266, 1395 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The terms greater than or equal to 800 correspond to probable primes. a(5) > 4000. - Tyler NeSmith, May 13 2021 LINKS Table of n, a(n) for n=1..4. PROG (PARI) isok(k) = ispseudoprime(8*k^k - 7); \\ Altug Alkan, Apr 02 2018 CROSSREFS Numbers k such that b*k^k - b + 1 is prime: A110931 (b=2), A302132 (b=3), A301521 (b=4), A302123 (b=6), this sequence (b=8), A302134 (b=9), A302136 (b=10). Sequence in context: A242373 A221045 A015057 * A322918 A233170 A211913 Adjacent sequences: A302130 A302131 A302132 * A302134 A302135 A302136 KEYWORD nonn,more AUTHOR Seiichi Manyama, Apr 02 2018 STATUS approved

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Last modified October 4 15:30 EDT 2023. Contains 365885 sequences. (Running on oeis4.)