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 | 6 |
| 4 | 8 |
| 5 | 9 |
| 6 | 11 |
| 7 | 20 |
| 8 | 23 |
| 9 | 41 |
| 10 | 63 |
| 11 | 66 |
| 12 | 119 |
| 13 | 122 |
| 14 | 149 |
| 15 | 252 |
| 16 | 284 |
| 17 | 305 |
| 18 | 592 |
| 19 | 746 |
| 20 | 875 |
| 21 | 1204 |
| 22 | 1364 |
| 23 | 2240 |
| 24 | 2403 |
| 25 | 5106 |
| 26 | 5776 |
| 27 | 5813 |
| 28 | 12456 |
| 29 | 14235 |
| 30 | 39606 |
| 31 | 55544 |
| 32 | 84239 |
| 33 | 275922 |