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.

A166541 Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^12 = I.

Table of values

n a(n)
0 1
1 9
2 72
3 576
4 4608
5 36864
6 294912
7 2359296
8 18874368
9 150994944
10 1207959552
11 9663676416
12 77309411292
13 618475290048
14 4947802318116
15 39582418526784
16 316659348069120
17 2533274783391744
18 20266198257844224
19 162129585988435968

List of values

[1, 9, 72, 576, 4608, 36864, 294912, 2359296, 18874368, 150994944, 1207959552, 9663676416, 77309411292, 618475290048, 4947802318116, 39582418526784, 316659348069120, 2533274783391744, 20266198257844224, 162129585988435968]