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%I #16 Sep 02 2024 16:44:03
%S 3,1571,2601
%N Numbers k such that 3*k^k - 2 is prime.
%C The terms greater than or equal to 1571 correspond to probable primes.
%C a(4) > 25000, if it exists. - _Michael S. Branicky_, Sep 02 2024
%o (PARI) isok(k) = ispseudoprime(3*k^k - 2); \\ _Altug Alkan_, Apr 02 2018
%Y Numbers k such that b*k^k - b + 1 is prime: A110931 (b=2), this sequence (b=3), A301521 (b=4), A302123 (b=6), A302133 (b=8), A302134 (b=9), A302136 (b=10).
%K nonn,more
%O 1,1
%A _Seiichi Manyama_, Apr 02 2018