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 | 720 |
2 | 48648960 |
3 | 8690922240480 |
4 | 2374127830286012160 |
5 | 823940558733748910598720 |
6 | 333504309246734399617946903040 |
7 | 150277870737901828652705825755721760 |
8 | 73288704867601350013562616043249358012160 |
9 | 37980016035292737119901943600678905519608160480 |