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 A162896 #5 Nov 23 2016 15:34:35 %S A162896 1,47,2162,98371,4475340,203579325,9260645940,421258160025, %T A162896 19162641667050,871690723670475,39652399244562750,1803750714445098375, %U A162896 82050940217035809000,3732420858698518385625,169784348961749261940000 %N A162896 Number of reduced words of length n in Coxeter group on 47 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I. %C A162896 The initial terms coincide with those of A170766, although the two sequences are eventually different. %C A162896 Computed with MAGMA using commands similar to those used to compute A154638. %H A162896 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (45, 45, -1035). %F A162896 G.f.: (t^3 + 2*t^2 + 2*t + 1)/(1035*t^3 - 45*t^2 - 45*t + 1) %K A162896 nonn %O A162896 0,2 %A A162896 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009