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 A162913 #7 Dec 30 2017 15:43:30 %S A162913 1,48,2256,104904,4877472,226750560,10541488248,490066437936, %T A162913 22782847249104,1059158680807752,49239548471206560, %U A162913 2289112271116376928,106419233167075660536,4947355938259459431984,229999127520543810796752 %N A162913 Number of reduced words of length n in Coxeter group on 48 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I. %C A162913 The initial terms coincide with those of A170767, although the two sequences are eventually different. %C A162913 Computed with MAGMA using commands similar to those used to compute A154638. %H A162913 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (46, 46, -1081). %F A162913 G.f.: (t^3 + 2*t^2 + 2*t + 1)/(1081*t^3 - 46*t^2 - 46*t + 1) %t A162913 coxG[{3,1081,-46}] (* The coxG program is at A169452 *) (* or *) LinearRecurrence[{46,46,-1081},{1,48,2256,104904},30] (* _Harvey P. Dale_, Dec 30 2017 *) %K A162913 nonn %O A162913 0,2 %A A162913 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009