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 | 0 |
1 | 0 |
2 | 1 |
3 | 6 |
4 | 30 |
5 | 140 |
6 | 600 |
7 | 2352 |
8 | 8512 |
9 | 28800 |
10 | 92160 |
11 | 281600 |
12 | 827904 |
13 | 2356224 |
14 | 6522880 |
15 | 17633280 |
16 | 46694400 |
17 | 121438208 |
18 | 310837248 |
19 | 784465920 |
20 | 1954938880 |
21 | 4816896000 |
22 | 11747721216 |
23 | 28386000896 |
24 | 68010639360 |
25 | 161690419200 |
26 | 381681664000 |
27 | 895098028032 |
28 | 2086448136192 |
29 | 4836200284160 |