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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 14 |
| 6 | 24 |
| 7 | 29 |
| 8 | 36 |
| 9 | 46 |
| 10 | 80 |
| 11 | 474 |
| 12 | 1018 |
| 13 | 5180 |
| 14 | 22581 |
| 15 | 41649 |
| 16 | 52744 |
| 17 | 114564 |
| 18 | 147454 |
| 19 | 174180 |