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 A302554 #5 Jan 11 2020 15:57:47 %S A302554 8,9,25,32,36,49,64,81,100,121,125,128,144,169,196,216,225,243,289, %T A302554 324,343,361,400,441,484,512,529,576,625,676,729,784,841,900,961,1000, %U A302554 1024,1089,1156,1225,1296,1331,1369,1444,1521,1600,1681,1728,1764 %N A302554 Powers that are not hyper-4 powers. %C A302554 A term is in this sequence if it is in A001597 but not in A257309. %Y A302554 Cf. A001597, A257309. %K A302554 nonn %O A302554 1,1 %A A302554 _Natan Arie Consigli_, Jul 08 2018