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 | 2 |
2 | 6 |
3 | 108 |
4 | 2262 |
5 | 452400 |
6 | 113936464 |
7 | 391515458264 |
8 | 1332606996955912 |