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.

A328437 Number of inversion sequences of length n avoiding the consecutive pattern 001.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 11
5 42
6 210
7 1292
8 9352
9 77505
10 722294
11 7470003
12 84854788
13 1049924370
14 14052654158
15 202271440732
16 3115338658280
17 51118336314648
18 890201500701303
19 16397264064993185
20 318505677099378561
21 6506565509515408206
22 139449260758011488550
23 3128599281190613701180

List of values

[1, 1, 2, 4, 11, 42, 210, 1292, 9352, 77505, 722294, 7470003, 84854788, 1049924370, 14052654158, 202271440732, 3115338658280, 51118336314648, 890201500701303, 16397264064993185, 318505677099378561, 6506565509515408206, 139449260758011488550, 3128599281190613701180]

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

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