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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 4 |
| 7 | 10 |
| 8 | 16 |
| 9 | 23 |
| 10 | 34 |
| 11 | 53 |
| 12 | 66 |
| 13 | 113 |
| 14 | 164 |
| 15 | 262 |
| 16 | 380 |
| 17 | 567 |
| 18 | 821 |
| 19 | 1217 |
| 20 | 1778 |
| 21 | 2702 |
| 22 | 3919 |
| 23 | 5760 |
| 24 | 8520 |
| 25 | 12375 |