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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.

A163314 Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

Table of values

n a(n)
0 1
1 3
2 6
3 12
4 24
5 45
6 84
7 159
8 300
9 564
10 1062
11 2001
12 3768
13 7095
14 13362
15 25164
16 47388
17 89241
18 168060
19 316491
20 596016
21 1122420
22 2113746
23 3980613
24 7496304
25 14117067
26 26585310
27 50065548
28 94283616
29 177555237
30 334372644
31 629691735
32 1185837684

List of values

[1, 3, 6, 12, 24, 45, 84, 159, 300, 564, 1062, 2001, 3768, 7095, 13362, 25164, 47388, 89241, 168060, 316491, 596016, 1122420, 2113746, 3980613, 7496304, 14117067, 26585310, 50065548, 94283616, 177555237, 334372644, 629691735, 1185837684]

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

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