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 | 6 |
3 | 66 |
4 | 1034 |
5 | 20790 |
6 | 507600 |
7 | 14546196 |
8 | 478095264 |
9 | 17722127700 |
10 | 731393039376 |
11 | 33262113690576 |
12 | 1652889277811448 |
13 | 89115877932595848 |
14 | 5181554275409183904 |
15 | 323216011162774715904 |
16 | 21531610593372148573824 |