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