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 | 1 |
2 | 1430 |
3 | 1051723530 |
4 | 4206489449301315 |
5 | 351597937025844947295000 |
6 | 73839261438738554611424321993670 |