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 A363375 #26 Jun 03 2023 03:19:07 %S A363375 4,6,7,8,22,32,45,52,58,60,85,98,211,290,291,426,428,712,903,1392, %T A363375 1683,1828,2342,3482,4818,4887,9060,14328,16948,17581,18358,65298, %U A363375 69237,84770,94788 %N A363375 Numbers k such that 3^(k-1) - 2^k is prime. %C A363375 a(36) > 100000. - _Hugo Pfoertner_, Jun 03 2023 %e A363375 a(1) = 4 is in the sequence because 3^3 - 2^4 = 11 is prime. %e A363375 a(2) = 6 is in the sequence because 3^5 - 2^6 = 179 is prime. %t A363375 Cases[Range[1, 300], k_ /; PrimeQ[3^(k - 1) - 2^k]] %Y A363375 Cf. A057468, A162714, A363024. %Y A363375 The sequence that results from increasing all terms by 1 in A162714 is a subsequence. %K A363375 nonn,hard,more %O A363375 1,1 %A A363375 _Sébastien Tao_, May 29 2023 %E A363375 a(16)-a(31) from _Michael S. Branicky_, May 29 2023 %E A363375 a(32)-a(33) from _Hugo Pfoertner_, May 29 2023 %E A363375 a(34)-a(35) from _Hugo Pfoertner_, Jun 02 2023