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.

A342901 Smallest number that is the sum of seven positive n-th powers in four ways.

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%I A342901 #13 Aug 13 2024 04:57:50
%S A342901 37,470,2932,893604,82718691
%N A342901 Smallest number that is the sum of seven positive n-th powers in four ways.
%H A342901 R. Alter, <a href="https://doi.org/10.1007/BFb0096461">Computations and generalizations on a remark of Ramanujan</a>, pp. 182-196 of "Analytic Number Theory (Philadelphia, 1980)", ed. M. I. Knopp, Lect. Notes Math., Vol. 899, 1981.
%e A342901 From _Ilya Gutkovskiy_, Aug 12 2024: (Start)
%e A342901 a(6) = 82718691 = 1^6 + 1^6 +  8^6 + 14^6 + 16^6 + 17^6 + 18^6
%e A342901                 = 3^6 + 7^6 + 10^6 + 10^6 + 16^6 + 16^6 + 19^6
%e A342901                 = 4^6 + 5^6 + 10^6 + 12^6 + 14^6 + 17^6 + 19^6
%e A342901                 = 4^6 + 9^6 + 10^6 + 13^6 + 13^6 + 14^6 + 20^6. (End)
%Y A342901 Cf. A230563, A342893-A342903.
%K A342901 nonn,more
%O A342901 2,1
%A A342901 _N. J. A. Sloane_, Apr 04 2021
%E A342901 a(5)-a(6) from _Jinyuan Wang_, Apr 11 2021