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.

A163391 Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

Table of values

n a(n)
0 1
1 9
2 72
3 576
4 4608
5 36828
6 294336
7 2352420
8 18801216
9 150264576
10 1200956652
11 9598382640
12 76712967828
13 613111567824
14 4900159716480
15 39163451657148
16 313005296651040
17 2501626174048260
18 19993698450611424
19 159795249138713664

List of values

[1, 9, 72, 576, 4608, 36828, 294336, 2352420, 18801216, 150264576, 1200956652, 9598382640, 76712967828, 613111567824, 4900159716480, 39163451657148, 313005296651040, 2501626174048260, 19993698450611424, 159795249138713664]

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

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