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) |
|---|---|
| 4 | 13 |
| 5 | 21 |
| 6 | 35 |
| 7 | 59 |
| 8 | 99 |
| 9 | 167 |
| 10 | 283 |
| 11 | 479 |
| 12 | 811 |
| 13 | 1375 |
| 14 | 2331 |
| 15 | 3951 |
| 16 | 6699 |
| 17 | 11359 |
| 18 | 19259 |
| 19 | 32655 |
| 20 | 55371 |
| 21 | 93887 |
| 22 | 159195 |
| 23 | 269935 |
| 24 | 457707 |
| 25 | 776095 |
| 26 | 1315963 |
| 27 | 2231375 |
| 28 | 3783563 |
| 29 | 6415487 |
| 30 | 10878235 |
| 31 | 18445359 |
| 32 | 31276331 |
| 33 | 53032799 |
| 34 | 89923515 |
| 35 | 152476175 |
| 36 | 258541771 |