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.

A164633 Number of reduced words of length n in Coxeter group on 20 generators S_i with relations (S_i)^2 = (S_i S_j)^7 = I.

Table of values

n a(n)
0 1
1 20
2 380
3 7220
4 137180
5 2606420
6 49521980
7 940917430
8 17877427560
9 339671055240
10 6453748749960
11 122621201556840
12 2329802360424360
13 44266235934106440
14 841058313382886670
15 15980104736337918420

List of values

[1, 20, 380, 7220, 137180, 2606420, 49521980, 940917430, 17877427560, 339671055240, 6453748749960, 122621201556840, 2329802360424360, 44266235934106440, 841058313382886670, 15980104736337918420]

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

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