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 | 5 |
2 | 20 |
3 | 70 |
4 | 224 |
5 | 672 |
6 | 1920 |
7 | 5280 |
8 | 14080 |
9 | 36608 |
10 | 93184 |
11 | 232960 |
12 | 573440 |
13 | 1392640 |
14 | 3342336 |
15 | 7938048 |
16 | 18677760 |
17 | 43581440 |
18 | 100925440 |
19 | 232128512 |
20 | 530579456 |
21 | 1205862400 |
22 | 2726297600 |
23 | 6134169600 |
24 | 13740539904 |
25 | 30651973632 |
26 | 68115496960 |