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 A366997 #22 Apr 19 2025 14:13:35 %S A366997 0,1,9,13,27,45,169,285,307,891,4545,9173,20803 %N A366997 Numbers k such that 3^k*k^3 + 2 is a prime. %C A366997 If it exists, a(14) > 70000. - _Hugo Pfoertner_, Nov 02 2023 %t A366997 Select[Range[0, 5000], PrimeQ[3^#*#^3 + 2] &] (* _Amiram Eldar_, Nov 02 2023 *) %o A366997 (Magma) [k: k in [1..310] | IsPrime(3^k*k^3+2)]; %Y A366997 Cf. A366956. %K A366997 nonn,more %O A366997 1,3 %A A366997 _Juri-Stepan Gerasimov_, Oct 31 2023 %E A366997 a(12)-a(13) from _Michael S. Branicky_, Oct 31 2023