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 A164669 #10 Feb 22 2024 14:37:17 %S A164669 1,33,1056,33792,1081344,34603008,1107296256,35433479664, %T A164669 1133871332352,36283882095120,1161084209759232,37154694159187968, %U A164669 1188950195394576384,38046405686244409344,1217484963835596259056,38959518262763894053632 %N A164669 Number of reduced words of length n in Coxeter group on 33 generators S_i with relations (S_i)^2 = (S_i S_j)^7 = I. %C A164669 The initial terms coincide with those of A170752, although the two sequences are eventually different. %C A164669 Computed with MAGMA using commands similar to those used to compute A154638. %H A164669 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (31,31,31,31,31,31,-496). %F A164669 G.f.: (t^7 + 2*t^6 + 2*t^5 + 2*t^4 + 2*t^3 + 2*t^2 + 2*t + 1)/(496*t^7 - 31*t^6 - 31*t^5 - 31*t^4 - 31*t^3 - 31*t^2 - 31*t + 1). %K A164669 nonn %O A164669 0,2 %A A164669 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009