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 A334526 #7 Aug 20 2020 20:53:33
%S A334526 1,5,9,13,17,21,25,29,33,37,41,53,57,61,65,69,73,77,81,85,89,93,113,
%T A334526 117,121,125,129,133,137,141,145,149,153,173,177,181,185,189,193,197,
%U A334526 201,205,209,213,249,253,257,261,265,269,273,277,281,285,289,309,313,317
%N A334526 Number of triples (w,x,y) with all terms in {-n,...,0,...,n} and w^2 + 11xy = 0.
%H A334526 Brandon Crofts, <a href="/A334526/a334526.txt">Mathematica code for A334526</a>
%Y A334526 Cf. A211423.
%K A334526 nonn,less
%O A334526 0,2
%A A334526 _Brandon Crofts_, Jul 10 2020