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 | -2 |
| 2 | 2 |
| 3 | 1 |
| 4 | 2 |
| 5 | 6 |
| 6 | 9 |
| 7 | 14 |
| 8 | 26 |
| 9 | 41 |
| 10 | 66 |
| 11 | 110 |
| 12 | 177 |
| 13 | 286 |
| 14 | 466 |
| 15 | 753 |
| 16 | 1218 |
| 17 | 1974 |
| 18 | 3193 |
| 19 | 5166 |
| 20 | 8362 |
| 21 | 13529 |
| 22 | 21890 |
| 23 | 35422 |
| 24 | 57313 |
| 25 | 92734 |
| 26 | 150050 |
| 27 | 242785 |
| 28 | 392834 |
| 29 | 635622 |
| 30 | 1028457 |
| 31 | 1664078 |
| 32 | 2692538 |
| 33 | 4356617 |
| 34 | 7049154 |
| 35 | 11405774 |
| 36 | 18454929 |
| 37 | 29860702 |
| 38 | 48315634 |
| 39 | 78176337 |