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 A073498 #5 Jun 17 2023 07:44:41
%S A073498 3,4,4,-2,-24,-76,-164,-248,-160,520,2544,6736,12720,15552,-640,
%T A073498 -70432,-246784,-565824,-923456,-792448,1239296,7864960,22439168,
%U A073498 45045504,61276928,19713024,-198718464,-790598144,-1930655744,-3376471040,-3503145984,2384930816,23805657088
%N A073498 Binomial transform of A073145.
%H A073498 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>
%H A073498 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (4, -6, 2).
%F A073498 O.g.f.: (3-8x+6x^2)/(1-4x+6x^2-2x^3); a(n)=4a(n-1)-6a(n-2)+2a(n-3), a(0)=3, a(1)=4, a(2)=4
%t A073498 CoefficientList[Series[(3-8*x+6*x^2)/(1-4*x+6*x^2-2*x^3), {x, 0, 50}], x]
%Y A073498 Cf. A073145.
%K A073498 easy,sign
%O A073498 0,1
%A A073498 Mario Catalani (mario.catalani(AT)unito.it), Aug 03 2002