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.

A375329 a(n) is the smallest number which can be represented as the sum of 5 distinct positive n-th powers in exactly 3 ways, or -1 if no such number exists.

This page as a plain text file.
%I A375329 #6 Aug 12 2024 13:10:13
%S A375329 18,127,1548,16834,70211956,342172570
%N A375329 a(n) is the smallest number which can be represented as the sum of 5 distinct positive n-th powers in exactly 3 ways, or -1 if no such number exists.
%e A375329 a(6) = 342172570 = 4^6 +  5^6 + 18^6 + 20^6 + 25^6
%e A375329                  = 8^6 + 10^6 + 11^6 + 23^6 + 24^6
%e A375329                  = 8^6 + 13^6 + 15^6 + 16^6 + 26^6.
%Y A375329 Cf. A046881, A342895, A374418, A374421, A374422, A374423, A374424, A374425, A375330, A375331, A375332, A375333, A375334.
%K A375329 nonn,hard,more
%O A375329 1,1
%A A375329 _Ilya Gutkovskiy_, Aug 12 2024