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 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 40 |
6 | 1844 |
7 | 41584 |
8 | 611340 |
9 | 6588116 |
10 | 55482100 |
11 | 380126920 |
12 | 2177910310 |
13 | 10644616240 |
14 | 45049914588 |
15 | 167011924492 |
16 | 547315800984 |
17 | 1597026077496 |
18 | 4173458163098 |
19 | 9813490226056 |
20 | 20841357619302 |
21 | 40096048882028 |