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.

A163104 Number of reduced words of length n in Coxeter group on 18 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

Table of values

n a(n)
0 1
1 18
2 306
3 5202
4 88281
5 1498176
6 25424928
7 431474688
8 7322358456
9 124264377216
10 2108833575552
11 35788044422016
12 607342437246528
13 10306929088604160
14 174914151758088192
15 2968387598501627904
16 50375140298107596288
17 854893330417826832384
18 14508001408391876911104

List of values

[1, 18, 306, 5202, 88281, 1498176, 25424928, 431474688, 7322358456, 124264377216, 2108833575552, 35788044422016, 607342437246528, 10306929088604160, 174914151758088192, 2968387598501627904, 50375140298107596288, 854893330417826832384, 14508001408391876911104]

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

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