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 | 1 |
2 | 1 |
3 | 2 |
4 | 7 |
5 | 27 |
6 | 142 |
7 | 834 |
8 | 5962 |
9 | 46788 |
10 | 426708 |
11 | 4198632 |
12 | 46516800 |
13 | 551415936 |
14 | 7197404976 |
15 | 99712618560 |
16 | 1500173940960 |
17 | 23786129681280 |
18 | 405087689727360 |
19 | 7237524061198080 |
20 | 137652562628778240 |
21 | 2735042530132523520 |
22 | 57482464477451489280 |
23 | 1257272784581092070400 |