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 | 0 |
| 1 | 11 |
| 2 | 44 |
| 3 | 55 |
| 4 | 77 |
| 5 | 868 |
| 6 | 69996 |
| 7 | 2683862 |
| 8 | 6783876 |
| 9 | 268969862 |
| 10 | 37889398873 |
| 11 | 477788989887774 |