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.

A162937 Number of reduced words of length n in Coxeter group on 6 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

Table of values

n a(n)
0 1
1 6
2 30
3 150
4 735
5 3600
6 17640
7 86400
8 423210
9 2073000
10 10154040
11 49737000
12 243624060
13 1193330400
14 5845225440
15 28631349600
16 140243381160
17 686946520800
18 3364832751840
19 16481777119200
20 80731791755760
21 395444141299200

List of values

[1, 6, 30, 150, 735, 3600, 17640, 86400, 423210, 2073000, 10154040, 49737000, 243624060, 1193330400, 5845225440, 28631349600, 140243381160, 686946520800, 3364832751840, 16481777119200, 80731791755760, 395444141299200]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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