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 A342894 #13 Apr 11 2021 00:00:54 %S A342894 28,1225,16578,1479604544,1885800643779 %N A342894 Smallest number that is the sum of four positive n-th powers in three ways. %H A342894 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 A342894 a(2) = 28 = 1+1+1+25 = 4+4+4+16 = 1+9+9+9. %Y A342894 Cf. A230563, A342893-A342903. %K A342894 nonn,more %O A342894 2,1 %A A342894 _N. J. A. Sloane_, Apr 04 2021 %E A342894 a(5)-a(6) from _Jinyuan Wang_, Apr 10 2021