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 | 4 |
| 4 | 7 |
| 5 | 10 |
| 6 | 13 |
| 7 | 15 |
| 8 | 20 |
| 9 | 22 |
| 10 | 33 |
| 11 | 34 |
| 12 | 108 |
| 13 | 117 |
| 14 | 130 |
| 15 | 193 |
| 16 | 273 |
| 17 | 280 |
| 18 | 654 |
| 19 | 775 |
| 20 | 1144 |
| 21 | 4014 |
| 22 | 4015 |
| 23 | 7701 |
| 24 | 10356 |
| 25 | 11478 |
| 26 | 12427 |
| 27 | 15075 |
| 28 | 44107 |
| 29 | 102597 |
| 30 | 118635 |