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 | 5 |
| 3 | 77 |
| 4 | 1018 |
| 5 | 11712 |
| 6 | 122460 |
| 7 | 1107703 |
| 8 | 8829638 |
| 9 | 71681321 |
| 10 | 638559445 |
| 11 | 6064719750 |