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 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 10 |
| 7 | 16 |
| 8 | 26 |
| 9 | 43 |
| 10 | 69 |
| 11 | 113 |
| 12 | 183 |
| 13 | 296 |
| 14 | 479 |
| 15 | 775 |
| 16 | 1255 |
| 17 | 2031 |
| 18 | 3286 |
| 19 | 5318 |
| 20 | 8605 |
| 21 | 13923 |
| 22 | 22528 |
| 23 | 36452 |
| 24 | 58981 |
| 25 | 95433 |
| 26 | 154414 |
| 27 | 249847 |
| 28 | 404261 |
| 29 | 654109 |
| 30 | 1058371 |
| 31 | 1712480 |
| 32 | 2770851 |
| 33 | 4483332 |
| 34 | 7254184 |
| 35 | 11737516 |
| 36 | 18991701 |
| 37 | 30729217 |
| 38 | 49720919 |
| 39 | 80450136 |
| 40 | 130171055 |
| 41 | 210621192 |