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 A165171 #6 Nov 23 2016 18:34:51 %S A165171 1,39,1482,56316,2140008,81320304,3090171552,117426518976, %T A165171 4462207720347,169563893345028,6443427946041801,244850261908956444, %U A165171 9304309950996329100,353563778079187906464,13435423564779581670864 %N A165171 Number of reduced words of length n in Coxeter group on 39 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I. %C A165171 The initial terms coincide with those of A170758, although the two sequences are eventually different. %C A165171 Computed with MAGMA using commands similar to those used to compute A154638. %H A165171 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (37, 37, 37, 37, 37, 37, 37, -703). %F A165171 G.f. (t^8 + 2*t^7 + 2*t^6 + 2*t^5 + 2*t^4 + 2*t^3 + 2*t^2 + 2*t + 1)/(703*t^8 - %F A165171 37*t^7 - 37*t^6 - 37*t^5 - 37*t^4 - 37*t^3 - 37*t^2 - 37*t + 1) %K A165171 nonn %O A165171 0,2 %A A165171 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009