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 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 16 |
| 5 | 39 |
| 6 | 127 |
| 7 | 357 |
| 8 | 1067 |
| 9 | 2861 |
| 10 | 7071 |
| 11 | 14827 |
| 12 | 25638 |
| 13 | 33730 |
| 14 | 33189 |
| 15 | 24838 |
| 16 | 14954 |
| 17 | 7188 |
| 18 | 2905 |
| 19 | 912 |
| 20 | 254 |
| 21 | 49 |
| 22 | 11 |
| 23 | 1 |
| 24 | 1 |