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 | 70 |
9 | 0 |
10 | 1 |
11 | 660 |
12 | 34650 |
13 | 1 |
14 | 5434 |
15 | 1351350 |
16 | 63063001 |
17 | 43656 |
18 | 40694940 |
19 | 6983776801 |
20 | 305540584486 |
21 | 1140183540 |
22 | 550554404401 |
23 | 77301682251156 |
24 | 3246701716667574 |
25 | 38582808660001 |
26 | 13159690691494570 |
27 | 1627974214800566490 |
28 | 66478153367438069401 |