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 | 3 |
| 3 | 5 |
| 4 | 15 |
| 5 | 31 |
| 6 | 53 |
| 7 | 100 |
| 8 | 108 |
| 9 | 188 |
| 10 | 328 |
| 11 | 568 |
| 12 | 816 |
| 13 | 1013 |
| 14 | 1912 |
| 15 | 4008 |
| 16 | 4155 |
| 17 | 8686 |
| 18 | 10747 |