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 A162838 #7 Nov 23 2016 15:30:00
%S A162838 1,34,1122,36465,1184832,38489088,1250311920,40616040960,
%T A162838 1319401053696,42860382335232,1392307798818816,45228738040578048,
%U A162838 1469243184987697152,47727963019128471552,1550429824846292189184,50365288810019957047296
%N A162838 Number of reduced words of length n in Coxeter group on 34 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.
%C A162838 The initial terms coincide with those of A170753, although the two sequences are eventually different.
%C A162838 Computed with MAGMA using commands similar to those used to compute A154638.
%H A162838 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (32, 32, -528).
%F A162838 G.f.: (t^3 + 2*t^2 + 2*t + 1)/(528*t^3 - 32*t^2 - 32*t + 1)
%t A162838 coxG[{3,528,-32}] (* The coxG program is at A169452 *) (* _Harvey P. Dale_, Oct 20 2015 *)
%K A162838 nonn
%O A162838 0,2
%A A162838 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009