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.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 0 |
5 | 3 |
6 | 1 |
7 | 0 |
8 | 0 |
9 | 3 |
10 | 29 |
11 | 35 |
12 | 21 |
13 | 7 |
14 | 1 |
15 | 0 |
16 | 0 |
17 | 0 |
18 | 140 |
19 | 1015 |
20 | 2793 |
21 | 4935 |
22 | 6425 |
23 | 6435 |
24 | 5005 |
25 | 3003 |
26 | 1365 |
27 | 455 |
28 | 105 |
29 | 15 |
30 | 1 |
31 | 0 |
32 | 0 |
33 | 0 |
34 | 420 |
35 | 13965 |
36 | 126651 |
37 | 661801 |
38 | 2533135 |
39 | 7792200 |
40 | 20085000 |
41 | 44307120 |
42 | 84651840 |
43 | 141113700 |
44 | 206251500 |
45 | 265182300 |