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 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 7 |
| 9 | 11 |
| 10 | 16 |
| 11 | 26 |
| 12 | 40 |
| 13 | 65 |
| 14 | 101 |
| 15 | 163 |
| 16 | 257 |
| 17 | 416 |
| 18 | 663 |
| 19 | 1073 |
| 20 | 1719 |
| 21 | 2781 |
| 22 | 4472 |
| 23 | 7236 |
| 24 | 11664 |
| 25 | 18873 |
| 26 | 30465 |
| 27 | 49293 |
| 28 | 79641 |
| 29 | 128862 |
| 30 | 208315 |
| 31 | 337061 |
| 32 | 545071 |
| 33 | 881943 |
| 34 | 1426520 |
| 35 | 2308158 |
| 36 | 3733880 |
| 37 | 6041545 |
| 38 | 9774133 |