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.

A163968 Number of reduced words of length n in Coxeter group on 19 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.

Table of values

n a(n)
0 1
1 19
2 342
3 6156
4 110808
5 1994544
6 35901621
7 646226100
8 11632014567
9 209375268012
10 3768736928724
11 67836942598176
12 1221059168656830
13 21978960670333953
14 395619413496128064
15 7121115628832971863
16 128179472668131616290
17 2307219552362877498072
18 41529754741525340825124

List of values

[1, 19, 342, 6156, 110808, 1994544, 35901621, 646226100, 11632014567, 209375268012, 3768736928724, 67836942598176, 1221059168656830, 21978960670333953, 395619413496128064, 7121115628832971863, 128179472668131616290, 2307219552362877498072, 41529754741525340825124]