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 | 0 |
2 | 20000 |
3 | 0 |
4 | 66680000 |
5 | 0 |
6 | 88977788000 |
7 | 0 |
8 | 63669939056000 |
9 | 0 |
10 | 28388261970800800 |
11 | 0 |
12 | 8645481416595304000 |
13 | 0 |
14 | 1913769409906455052000 |
15 | 0 |
16 | 322081772124335598304000 |
17 | 0 |
18 | 42639787126552298702388000 |
19 | 0 |
20 | 4560880160205473732557707200 |
21 | 0 |
22 | 402747462617285816887874972000 |
23 | 0 |
24 | 29887395794995795375534035536000 |
25 | 0 |