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 | 28 |
4 | 104 |
5 | 880 |
6 | 4256 |
7 | 29632 |
8 | 161408 |
9 | 1033984 |
10 | 5941760 |
11 | 36699136 |
12 | 216000512 |
13 | 1312780288 |
14 | 7809572864 |
15 | 47125872640 |
16 | 281681494016 |
17 | 1694383931392 |
18 | 10149123719168 |
19 | 60963461791744 |
20 | 365505892843520 |
21 | 2194134868688896 |