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 | 9 |
| 6 | 13 |
| 7 | 23 |
| 8 | 36 |
| 9 | 65 |
| 10 | 100 |
| 11 | 175 |
| 12 | 275 |
| 13 | 468 |
| 14 | 760 |
| 15 | 1266 |
| 16 | 2077 |
| 17 | 3454 |
| 18 | 5690 |
| 19 | 9449 |
| 20 | 15547 |
| 21 | 25709 |
| 22 | 42459 |
| 23 | 70181 |
| 24 | 115947 |
| 25 | 191509 |
| 26 | 316570 |
| 27 | 523087 |
| 28 | 864406 |
| 29 | 1428174 |
| 30 | 2359266 |