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 A374803 #5 Jul 22 2024 15:29:05 %S A374803 1300,4062500,1479604544 %N A374803 a(n) is the smallest number which can be represented as the sum of 4 distinct positive fifth powers in exactly n ways, or -1 if no such number exists. %e A374803 a(2) = 4062500 = 1^5 + 14^5 + 16^5 + 19^5 = 5^5 + 10^5 + 15^5 + 20^5. %e A374803 a(3) = 1479604544 = 3^5 + 48^5 + 52^5 + 61^5 = 13^5 + 36^5 + 51^5 + 64^5 = 18^5 + 36^5 + 44^5 + 66^5. %Y A374803 Cf. A025417, A025421, A374696, A374804. %K A374803 nonn,bref,more %O A374803 1,1 %A A374803 _Ilya Gutkovskiy_, Jul 20 2024