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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 262 |
| 10 | 167395 |
| 11 | 42355398928 |
| 12 | 2986137074379747535250 |
| 13 | 16334453331070842795541380956715272941358931 |
| 14 | 334377619479874433401339085661668551899899040409749812309411639875183486098285324762070 |