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 | 0 |
3 | 0 |
4 | 1 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 35 |
9 | 0 |
10 | 1 |
11 | 330 |
12 | 5775 |
13 | 1 |
14 | 2717 |
15 | 225225 |
16 | 2627626 |
17 | 21828 |
18 | 6782490 |
19 | 290990701 |
20 | 2546343368 |
21 | 190030590 |
22 | 22939766851 |
23 | 644182060203 |
24 | 4514461227804 |
25 | 1607617027501 |
26 | 109664100094160 |
27 | 2261215037103165 |
28 | 13296854061626851 |
29 | 15998661864449331 |