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 | 3 |
4 | 4 |
5 | 168 |
6 | 360 |
7 | 465585120 |
8 | 4122326466720 |
9 | 217481422952137966221600 |
10 | 423596249162987984485389187200 |
11 | 2601085547436195054585834389287071368256718712872622796333077962782445499276184000 |