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 A357055 #39 Sep 17 2024 12:44:40 %S A357055 0,1,3,5,11,209,1281 %N A357055 Integers k such that k^k + k^2 + 3*k + 2 is prime. %C A357055 a(8) > 20000, if it exists. - _Michael S. Branicky_, Sep 17 2024 %e A357055 For k = 3, k^k + k^2 + 3*k + 2 = 47 and 47 is prime. %o A357055 (PARI) isok(k) = ispseudoprime(k^k + k^2 + 3*k + 2); \\ _Michel Marcus_, Sep 10 2022 %Y A357055 Cf. A058912, A187605, A231712. %K A357055 nonn,more %O A357055 1,3 %A A357055 _Marco Ripà_, Sep 10 2022