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 | 2 |
| 2 | 20 |
| 3 | 22 |
| 4 | 46 |
| 5 | 58 |
| 6 | 226 |
| 7 | 3760 |
| 8 | 7060 |
| 9 | 16192 |
| 10 | 22018 |
| 11 | 35576 |
| 12 | 103952 |
| 13 | 113326 |
| 14 | 120716 |
| 15 | 285122 |
| 16 | 543148 |
| 17 | 785510 |
| 18 | 1033126 |