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.

A115752 Number of words of length n+1 created with the letters a,b,c with more c's than b's and more b's than a's.

Table of values

n a(n)
0 0
1 0
2 3
3 4
4 15
5 81
6 168
7 540
8 2271
9 5365
10 16698
11 63229
12 159250
13 489048
14 1749933
15 4576140
16 13955895
17 48211389
18 129211818
19 392441049
20 1323741156
21 3609608838
22 10933915743
23 36252591813
24 100126350090
25 302737691646
26 990855646563

List of values

[0, 0, 3, 4, 15, 81, 168, 540, 2271, 5365, 16698, 63229, 159250, 489048, 1749933, 4576140, 13955895, 48211389, 129211818, 392441049, 1323741156, 3609608838, 10933915743, 36252591813, 100126350090, 302737691646, 990855646563]

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

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