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 | 4 |
1 | 1 |
2 | 5 |
3 | 11 |
4 | 30 |
5 | 200 |
6 | 5880 |
7 | 1149852 |
8 | 6643838880 |
9 | 7639424866275970 |
10 | 50755107359004694925071660 |
11 | 387739824812222466915538827541705412334750 |
12 | 19679776435706023589554719270187917683310683639911856695096924149852 |