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) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 8 |
5 | 24 |
6 | 90 |
7 | 387 |
8 | 1920 |
9 | 10672 |
10 | 65978 |
11 | 448503 |
12 | 3326400 |
13 | 26725411 |
14 | 231242151 |
15 | 2143728472 |
16 | 21198368680 |
17 | 222722246772 |
18 | 2477698802526 |
19 | 29094738198716 |
20 | 359630747697951 |
21 | 4667544506825273 |
22 | 63463425429259086 |
23 | 902118740233973431 |
24 | 13380961044971520000 |