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 A055407 #11 Sep 29 2019 13:24:09 %S A055407 1,9,171,1420,8262,33044,111155,312913,793049,1807754,3834490,7601982, %T A055407 14333819,25683401,44367189,73913316,119544010,187884853,288597817, %U A055407 433331391,638511294,923461382,1314459790,1842974369,2550288371 %N A055407 Number of points in N^8 of norm <= n. %H A055407 Andrew Howroyd, <a href="/A055407/b055407.txt">Table of n, a(n) for n = 0..500</a> %F A055407 a(n) = [x^(n^2)] (1 + theta_3(x))^8/(256*(1 - x)), where theta_3() is the Jacobi theta function. - _Ilya Gutkovskiy_, Apr 15 2018 %Y A055407 Column k=8 of A302998. %K A055407 nonn %O A055407 0,2 %A A055407 _David W. Wilson_