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.

A121178 Four-column table read by rows: number of nonisomorphic systems of catafusenes in an example (see Cyvin et al. (1994) for precise definition).

Table of values

n a(n)
1 1
2 0
3 0
4 0
5 2
6 2
7 0
8 0
9 6
10 5
11 1
12 0
13 19
14 26
15 5
16 1
17 71
18 101
19 31
20 2
21 274
22 457
23 160
24 16
25 1117
26 1978
27 825
28 80
29 4650
30 8851
31 4074
32 473
33 19819
34 39481
35 19902
36 2517
37 85710
38 178043
39 95920
40 13431

List of values

[1, 0, 0, 0, 2, 2, 0, 0, 6, 5, 1, 0, 19, 26, 5, 1, 71, 101, 31, 2, 274, 457, 160, 16, 1117, 1978, 825, 80, 4650, 8851, 4074, 473, 19819, 39481, 19902, 2517, 85710, 178043, 95920, 13431]