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 A383923 #10 May 18 2025 02:29:29 %S A383923 4,8,16,27,36,100,196,256,400,512,576,676,1296,1331,1600,2916,3136, %T A383923 4356,5476,7056,8000,8100,8836,9261,12100,13456,14400,15376,15876, %U A383923 16900,17576,17956,21316,22500,24336,25600,27000,28900,30976,32400,33856,41616,42436,44100,50176,52900 %N A383923 Numbers of the form m^p where both p and (m^(p^2) - 1)/(m^p - 1) are prime. %Y A383923 Primes (m^(p^2) - 1)/(m^p - 1) are listed in A383924. %Y A383923 Permutation of A383926. %Y A383923 Cf. A383925. %K A383923 nonn %O A383923 1,1 %A A383923 _Max Alekseyev_, May 15 2025