This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A302136 #24 Nov 29 2024 08:08:26 %S A302136 2,4,14,80,1133,4120 %N A302136 Numbers k such that 10*k^k - 9 is prime. %C A302136 10*1133^1133 - 9 is a probable prime. %C A302136 a(6) > 3000. - _Tyler NeSmith_, May 15 2021 %C A302136 a(7) > 20000. - _Michael S. Branicky_, Nov 29 2024 %o A302136 (PARI) isok(k) = ispseudoprime(10*k^k - 9); \\ _Altug Alkan_, Apr 02 2018 %Y A302136 Numbers k such that b*k^k - b + 1 is prime: A110931 (b=2), A302132 (b=3), A301521 (b=4), A302123 (b=6), A302133 (b=8), A302134 (b=9), this sequence (b=10). %Y A302136 Cf. A302137. %K A302136 nonn,more %O A302136 1,1 %A A302136 _Seiichi Manyama_, Apr 02 2018 %E A302136 a(6) from _Michael S. Branicky_, Mar 28 2023