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 A165708 #6 Nov 23 2016 22:19:10 %S A165708 1,48,2256,106032,4983504,234224688,11008560336,517402335792, %T A165708 24317909782224,1142941759763400,53718262708826784, %U A165708 2524758347312368224,118663642323564247200,5577191189202017829984,262127985892236253953696 %N A165708 Number of reduced words of length n in Coxeter group on 48 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I. %C A165708 The initial terms coincide with those of A170767, although the two sequences are eventually different. %C A165708 Computed with MAGMA using commands similar to those used to compute A154638. %H A165708 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (46, 46, 46, 46, 46, 46, 46, 46, -1081). %F A165708 G.f. (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 + %F A165708 1)/(1081*t^9 - 46*t^8 - 46*t^7 - 46*t^6 - 46*t^5 - 46*t^4 - 46*t^3 - %F A165708 46*t^2 - 46*t + 1) %K A165708 nonn %O A165708 0,2 %A A165708 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009