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 A036684 #7 Jul 03 2022 08:16:35 %S A036684 8,38,149,478,1390,3736,9496,23080,54127,123230,273653,594878,1269532, %T A036684 2665912,5518900,11280856,22797331,45599656,90362560,177550600, %U A036684 346157050,670060100,1288497590,2462607020,4679908400,8846662634 %N A036684 T(n+5,5) with T as in A036355. %H A036684 <a href="/index/Rec#order_12">Index entries for linear recurrences with constant coefficients</a>, signature (6,-9,-10,30,6,-41,-6,30,10,-9,-6,-1). %F A036684 G.f.: (3x^4+6x^3-7x^2-10x+8)/(1-x-x^2)^6. %F A036684 a(n)=3*A001872(n)+4*A001873(n)+A001874(n). - _R. J. Mathar_, Jul 03 2022 %K A036684 nonn,easy %O A036684 0,1 %A A036684 _Floor van Lamoen_