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 | 9 |
| 7 | 15 |
| 8 | 25 |
| 9 | 41 |
| 10 | 67 |
| 11 | 109 |
| 12 | 175 |
| 13 | 277 |
| 14 | 433 |
| 15 | 671 |
| 16 | 1035 |
| 17 | 1595 |
| 18 | 2463 |
| 19 | 3817 |
| 20 | 5937 |
| 21 | 9259 |
| 22 | 14457 |
| 23 | 22569 |
| 24 | 35193 |
| 25 | 54795 |
| 26 | 85195 |
| 27 | 132333 |
| 28 | 205471 |
| 29 | 319069 |
| 30 | 495699 |