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.

A167896 Number of reduced words of length n in Coxeter group on 5 generators S_i with relations (S_i)^2 = (S_i S_j)^16 = I.

Table of values

n a(n)
0 1
1 5
2 20
3 80
4 320
5 1280
6 5120
7 20480
8 81920
9 327680
10 1310720
11 5242880
12 20971520
13 83886080
14 335544320
15 1342177280
16 5368709110
17 21474836400
18 85899345450
19 343597381200
20 1374389522400
21 5497558080000
22 21990232281600
23 87960928972800

List of values

[1, 5, 20, 80, 320, 1280, 5120, 20480, 81920, 327680, 1310720, 5242880, 20971520, 83886080, 335544320, 1342177280, 5368709110, 21474836400, 85899345450, 343597381200, 1374389522400, 5497558080000, 21990232281600, 87960928972800]

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

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