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 | 2 |
| 2 | 12 |
| 3 | 102 |
| 4 | 116 |
| 5 | 1098 |
| 6 | 2072 |
| 7 | 1014 |
| 8 | 101134 |
| 9 | 11014 |
| 10 | 1011098 |
| 11 | 1003525 |
| 12 | 41021255 |
| 13 | 210110985 |
| 14 | 403130555 |
| 15 | 481104655 |
| 16 | 4401225555 |
| 17 | 4811125555 |
| 18 | 86413249555 |
| 19 | 39011218055 |