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.

A164777 Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I.

Table of values

n a(n)
0 1
1 9
2 72
3 576
4 4608
5 36864
6 294912
7 2359296
8 18874332
9 150994368
10 1207952676
11 9663603264
12 77308680960
13 618468286464
14 4947737001984
15 39581821698048
16 316653979043052
17 2533227076022832
18 20265778557681300
19 162125924058011088

List of values

[1, 9, 72, 576, 4608, 36864, 294912, 2359296, 18874332, 150994368, 1207952676, 9663603264, 77308680960, 618468286464, 4947737001984, 39581821698048, 316653979043052, 2533227076022832, 20265778557681300, 162125924058011088]

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

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