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 | 6 |
2 | 4320 |
3 | 1567641600 |
4 | 750902834626560000 |
5 | 981936389699695364014080000000 |
6 | 6286723722110812136775527266768650240000000000 |
7 | 321194638135877430211257700556824829511701622266265600000000000000 |