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 | 2 |
4 | 10 |
5 | 48 |
6 | 288 |
7 | 1984 |
8 | 15660 |
9 | 139312 |
10 | 1380484 |
11 | 15080152 |
12 | 180017780 |
13 | 2331038048 |
14 | 32537274756 |
15 | 486942025288 |
16 | 7777172706308 |
17 | 132025174277392 |
18 | 2373753512469972 |
19 | 45059504242538328 |
20 | 900498975768121972 |
21 | 18898334957168597184 |
22 | 415537355533831049572 |
23 | 9552918187197519923176 |