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 A374804 #4 Jul 22 2024 15:29:15 %S A374804 4890,160426515,1885800643779 %N A374804 a(n) is the smallest number which can be represented as the sum of 4 distinct nonzero sixth powers in exactly n ways, or -1 if no such number exists. %e A374804 a(2) = 160426515 = 1^6 + 3^6 + 19^6 + 22^6 = 1^6 + 10^6 + 15^6 + 23^6. %e A374804 a(3) = 1885800643779 = 1^6 + 34^6 + 49^6 + 111^6 = 7^6 + 43^6 + 69^6 + 110^6 = 18^6 + 25^6 + 77^6 + 109^6. %Y A374804 Cf. A025417, A025421, A374696, A374803. %K A374804 nonn,bref,more %O A374804 1,1 %A A374804 _Ilya Gutkovskiy_, Jul 20 2024