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 A167391 #10 Nov 24 2016 10:51:35
%S A167391 1,33,1056,33792,1081344,34603008,1107296256,35433480192,
%T A167391 1133871366144,36283883716608,1161084278931456,37154696925806592,
%U A167391 1188950301625810944,38046409652025950208,1217485108864830406128,38959523483674572979200
%N A167391 Number of reduced words of length n in Coxeter group on 33 generators S_i with relations (S_i)^2 = (S_i S_j)^14 = I.
%C A167391 The initial terms coincide with those of A170752, although the two sequences are eventually different.
%C A167391 Computed with MAGMA using commands similar to those used to compute A154638.
%H A167391 G. C. Greubel, <a href="/A167391/b167391.txt">Table of n, a(n) for n = 0..500</a>
%H A167391 <a href="/index/Rec#order_14">Index entries for linear recurrences with constant coefficients</a>, signature (31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, -496).
%F A167391 G.f.: (t^14 + 2*t^13 + 2*t^12 + 2*t^11 + 2*t^10 + 2*t^9 + 2*t^8 + 2*t^7 + 2*t^6 + 2*t^5 + 2*t^4 + 2*t^3 + 2*t^2 + 2*t + 1)/(496*t^14 - 31*t^13 - 31*t^12 - 31*t^11 - 31*t^10 - 31*t^9 - 31*t^8 - 31*t^7 - 31*t^6 - 31*t^5 - 31*t^4 - 31*t^3 - 31*t^2 - 31*t + 1).
%t A167391 CoefficientList[Series[(t^14 + 2*t^13 + 2*t^12 + 2*t^11 + 2*t^10 + 2*t^9 + 2*t^8 + 2*t^7 + 2*t^6 + 2*t^5 + 2*t^4 + 2*t^3 + 2*t^2 + 2*t + 1)/ (496*t^14 - 31*t^13 - 31*t^12 - 31*t^11 - 31*t^10 - 31*t^9 - 31*t^8 - 31*t^7 - 31*t^6 - 31*t^5 - 31*t^4 - 31*t^3 - 31*t^2 - 31*t + 1), {t, 0, 50}], t] (* _G. C. Greubel_, Jun 12 2016 *)
%K A167391 nonn
%O A167391 0,2
%A A167391 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009