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 | 21318 |
3 | 111399602430962720 |
4 | 219754881677312748254868619396977023490 |
5 | 91574665590547903212939476569574243557076290573519342040406738188187312 |