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 A055421 #11 Aug 31 2025 09:18:26 %S A055421 1,7,35,163,688,2673,9763,33792,111155,349122,1053323,3070003,8681103, %T A055421 23885604,64075075,167836570,429817326,1077457554,2646942189, %U A055421 6379963205,15104418023,35160248084,80550746390,181768697529 %N A055421 Number of points in N^n of norm <= 6. %H A055421 Andrew Howroyd, <a href="/A055421/b055421.txt">Table of n, a(n) for n = 0..1000</a> %H A055421 <a href="/index/Rec#order_37">Index entries for linear recurrences with constant coefficients</a>, order 37. %Y A055421 Row n=6 of A302998. %K A055421 nonn,changed %O A055421 0,2 %A A055421 _David W. Wilson_