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.

A163967 Number of reduced words of length n in Coxeter group on 18 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.

Table of values

n a(n)
0 1
1 18
2 306
3 5202
4 88434
5 1503378
6 25557273
7 434471040
8 7385963616
9 125560632384
10 2134518016032
11 36286589786112
12 616868346117816
13 10486699320193920
14 178272824864888448
15 3030619941978033024
16 51520231643134128768

List of values

[1, 18, 306, 5202, 88434, 1503378, 25557273, 434471040, 7385963616, 125560632384, 2134518016032, 36286589786112, 616868346117816, 10486699320193920, 178272824864888448, 3030619941978033024, 51520231643134128768]

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

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