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 | 2 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 6 |
| 7 | 11 |
| 8 | 20 |
| 9 | 35 |
| 10 | 61 |
| 11 | 103 |
| 12 | 170 |
| 13 | 278 |
| 14 | 451 |
| 15 | 728 |
| 16 | 1165 |
| 17 | 1849 |
| 18 | 2916 |
| 19 | 4577 |
| 20 | 7165 |
| 21 | 11205 |
| 22 | 17531 |
| 23 | 27467 |
| 24 | 43119 |
| 25 | 67823 |
| 26 | 106854 |
| 27 | 168523 |
| 28 | 265878 |
| 29 | 419356 |
| 30 | 660919 |
| 31 | 1040546 |
| 32 | 1636458 |
| 33 | 2571310 |
| 34 | 4037926 |
| 35 | 6340362 |
| 36 | 9959607 |
| 37 | 15658964 |
| 38 | 24653360 |
| 39 | 38881723 |
| 40 | 61445514 |