cp's OEIS Frontend

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.

A374227 a(n) is the smallest number which can be represented as the sum of three distinct positive n-th powers in exactly n ways, or -1 if no such number exists.

This page as a plain text file.
%I A374227 #5 Jul 01 2024 19:13:33
%S A374227 6,62,5104,5978882
%N A374227 a(n) is the smallest number which can be represented as the sum of three distinct positive n-th powers in exactly n ways, or -1 if no such number exists.
%e A374227 a(3) = 5104 = 1^3 + 12^3 + 15^3 = 2^3 + 10^3 + 16^3 = 9^3 + 10^3 + 15^3.
%Y A374227 Cf. A025415, A025419, A123075, A146756, A374226, A374228.
%K A374227 nonn,hard,more
%O A374227 1,1
%A A374227 _Ilya Gutkovskiy_, Jul 01 2024