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 | 7 |
| 3 | 8 |
| 4 | 24 |
| 5 | 58 |
| 6 | 111 |
| 7 | 130 |
| 8 | 224 |
| 9 | 270 |
| 10 | 494 |
| 11 | 2190 |
| 12 | 2684 |
| 13 | 5585 |
| 14 | 6079 |
| 15 | 14618 |
| 16 | 20203 |
| 17 | 81860 |
| 18 | 96478 |