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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 13 |
| 7 | 20 |
| 8 | 31 |
| 9 | 48 |
| 10 | 78 |
| 11 | 118 |
| 12 | 191 |
| 13 | 300 |
| 14 | 465 |
| 15 | 734 |
| 16 | 1175 |
| 17 | 1850 |
| 18 | 2926 |
| 19 | 4597 |
| 20 | 7296 |
| 21 | 11552 |
| 22 | 18278 |
| 23 | 28863 |
| 24 | 45832 |
| 25 | 72356 |
| 26 | 114742 |
| 27 | 181721 |