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 | 1 |
2 | 2 |
3 | 8 |
4 | 56 |
5 | 672 |
6 | 13440 |
7 | 443520 |
8 | 23950080 |
9 | 2107607040 |
10 | 301387806720 |
11 | 69921971159040 |
12 | 26290661155799040 |
13 | 16011012643881615360 |
14 | 15786858466867272744960 |
15 | 25195826113120167300956160 |
16 | 65080818850189392138369761280 |
17 | 272037822793791659138385602150400 |