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 A111245 #7 Jan 14 2021 21:17:16 %S A111245 1,4,9,25,36,49,100,121,144,169,196,225,289,324,361,400,441,484,529, %T A111245 576,676,784,841,900,1089,1156,1225,1369,1444,1521,1600,1681,1764,1849 %N A111245 Perfect powers m^k, where m is an integer, which are not equal to the sum of m distinct primes. %C A111245 Perfect powers with k = 2. %F A111245 a(n) = A153158(n-1) for n >= 2. - _Hugo Pfoertner_, Jan 14 2021 %Y A111245 Cf. A111231, A153158. %Y A111245 Subsequence of A000290. %K A111245 nonn %O A111245 1,2 %A A111245 _Giovanni Teofilatto_, Oct 31 2005