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.

A163124 Number of reduced words of length n in Coxeter group on 20 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

Table of values

n a(n)
0 1
1 20
2 380
3 7220
4 136990
5 2599200
6 49316400
7 935712000
8 17753871510
9 336855735180
10 6391382632020
11 121267853544780
12 2300893742387430
13 43656351283440360
14 828320305398630840
15 15716259104684097960

List of values

[1, 20, 380, 7220, 136990, 2599200, 49316400, 935712000, 17753871510, 336855735180, 6391382632020, 121267853544780, 2300893742387430, 43656351283440360, 828320305398630840, 15716259104684097960]

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

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