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) |
---|---|
1 | 7 |
2 | 254016 |
3 | 34558531338240 |
4 | 19031213036231093492121600 |
5 | 42863636354909175368011800612065142374400 |
6 | 395357821818670720302212111102866352228895870285434270515200 |