cp's OEIS Frontend

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.

A165169 Number of reduced words of length n in Coxeter group on 37 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I.

This page as a plain text file.
%I A165169 #6 Nov 23 2016 18:34:06
%S A165169 1,37,1332,47952,1726272,62145792,2237248512,80540946432,
%T A165169 2899474070886,104381066527920,3757718394142650,135277862158086480,
%U A165169 4870003036573352160,175320109276401277440,6311523932501827576320
%N A165169 Number of reduced words of length n in Coxeter group on 37 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I.
%C A165169 The initial terms coincide with those of A170756, although the two sequences are eventually different.
%C A165169 Computed with MAGMA using commands similar to those used to compute A154638.
%H A165169 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (35, 35, 35, 35, 35, 35, 35, -630).
%F A165169 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)/(630*t^8 -
%F A165169 35*t^7 - 35*t^6 - 35*t^5 - 35*t^4 - 35*t^3 - 35*t^2 - 35*t + 1)
%K A165169 nonn
%O A165169 0,2
%A A165169 _John Cannon_ and _N. J. A. Sloane_, Dec 03 2009