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 A162812 #5 Nov 23 2016 15:27:32 %S A162812 1,26,650,15925,390000,9547200,233715300,5721300000,140056207200, %T A162812 3428545582800,83930052960000,2054589502867200,50295905665012800, %U A162812 1231232868141120000,30140313720487027200,737828346427571692800 %N A162812 Number of reduced words of length n in Coxeter group on 26 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I. %C A162812 The initial terms coincide with those of A170745, although the two sequences are eventually different. %C A162812 Computed with MAGMA using commands similar to those used to compute A154638. %H A162812 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (24, 24, -300). %F A162812 G.f.: (t^3 + 2*t^2 + 2*t + 1)/(300*t^3 - 24*t^2 - 24*t + 1) %K A162812 nonn %O A162812 0,2 %A A162812 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009