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 | 1 |
2 | 2 |
3 | 9 |
4 | 72 |
5 | 825 |
6 | 12192 |
7 | 220353 |
8 | 4708480 |
9 | 116116497 |
10 | 3245839360 |
11 | 101415497689 |
12 | 3502465714176 |
13 | 132486192976137 |
14 | 5447446920323072 |
15 | 241907419042038225 |
16 | 11538444129924055040 |
17 | 588321821566662253729 |
18 | 31932991994214557417472 |