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 A091037 #5 Jun 29 2023 18:26:17 %S A091037 1,144,17856,2156544,259117056,31102009344,3732432224256, %T A091037 447896453382144,53747684481171456,6449724779548114944, %U A091037 773967036949154758656,92876045955579714207744 %N A091037 Second column (k=5) of array A090214 ((4,4)-Stirling2) divided by 4*4!=96. %H A091037 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (144, -2880). %F A091037 a(n)=A090214(n, 5)/(4*4!)= (4!^(n-2))*(5^(n-1)-1)/4, n>=2. %F A091037 G.f.: (x^2)/((1-5!*x)*(1-4!*x))= (x/(4*4!))*(1/(1-5!*x) - 1/(1-4!*x)). %Y A091037 Cf. A091038 (second column of (5, 5)-Stirling2 array divided by 600). %K A091037 nonn,easy %O A091037 2,2 %A A091037 _Wolfdieter Lang_, Jan 23 2004