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.

A166421 Number of reduced words of length n in Coxeter group on 27 generators S_i with relations (S_i)^2 = (S_i S_j)^11 = I.

Table of values

n a(n)
0 1
1 27
2 702
3 18252
4 474552
5 12338352
6 320797152
7 8340725952
8 216858874752
9 5638330743552
10 146596599332352
11 3811511582640801
12 99099301148651700
13 2576581829864707275
14 66991127576476229100
15 1741769316988221795300

List of values

[1, 27, 702, 18252, 474552, 12338352, 320797152, 8340725952, 216858874752, 5638330743552, 146596599332352, 3811511582640801, 99099301148651700, 2576581829864707275, 66991127576476229100, 1741769316988221795300]

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

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