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.

A163084 Number of reduced words of length n in Coxeter group on 13 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

Table of values

n a(n)
0 1
1 13
2 156
3 1872
4 22386
5 267696
6 3201198
7 38280528
8 457766166
9 5474058876
10 65459882202
11 782782264836
12 9360665698098
13 111936698410680
14 1338561257884422
15 16006781212446024
16 191412266920077918
17 2288945881199387124
18 27371669179630649874
19 327315853045229826492

List of values

[1, 13, 156, 1872, 22386, 267696, 3201198, 38280528, 457766166, 5474058876, 65459882202, 782782264836, 9360665698098, 111936698410680, 1338561257884422, 16006781212446024, 191412266920077918, 2288945881199387124, 27371669179630649874, 327315853045229826492]

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

Content is available under The OEIS End-User License Agreement.