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) |
|---|---|
| 0 | 1 |
| 1 | 49 |
| 2 | 854 |
| 3 | 854 |
| 4 | 387791 |
| 5 | 2393355 |
| 6 | 10359802 |
| 7 | 13310435 |
| 8 | 172330849 |
| 9 | 2542542101 |
| 10 | 95257866194 |
| 11 | 1587461837108 |
| 12 | 3186699229889 |
| 13 | 3186699229889 |