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.

A165880 Number of reduced words of length n in Coxeter group on 18 generators S_i with relations (S_i)^2 = (S_i S_j)^10 = I.

Table of values

n a(n)
0 1
1 18
2 306
3 5202
4 88434
5 1503378
6 25557426
7 434476242
8 7386096114
9 125563633938
10 2134581776793
11 36287890202880
12 616894133404896
13 10487200267134144
14 178282404528545952
15 3030800876768794752
16 51523614901389241440

List of values

[1, 18, 306, 5202, 88434, 1503378, 25557426, 434476242, 7386096114, 125563633938, 2134581776793, 36287890202880, 616894133404896, 10487200267134144, 178282404528545952, 3030800876768794752, 51523614901389241440]

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

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