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 | 13 |
| 2 | 5 |
| 3 | 7 |
| 4 | 11 |
| 5 | 186 |
| 6 | 239 |
| 7 | 336 |
| 8 | 1284 |
| 9 | 5889 |
| 10 | 11708 |
| 11 | 70286 |
| 12 | 19276 |
| 13 | 35435 |
| 14 | 22479 |
| 15 | 42202 |
| 16 | 28785 |
| 17 | 107081 |
| 18 | 973876 |
| 19 | 1187108 |