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 | 5 |
| 3 | 10 |
| 4 | 47 |
| 5 | 131 |
| 6 | 472 |
| 7 | 1326 |
| 8 | 3779 |
| 9 | 9013 |
| 10 | 19963 |
| 11 | 38073 |
| 12 | 65664 |
| 13 | 98804 |
| 14 | 133576 |
| 15 | 158658 |
| 16 | 169112 |
| 17 | 158658 |
| 18 | 133576 |
| 19 | 98804 |
| 20 | 65664 |
| 21 | 38073 |
| 22 | 19963 |
| 23 | 9013 |
| 24 | 3779 |
| 25 | 1326 |
| 26 | 472 |
| 27 | 131 |
| 28 | 47 |
| 29 | 10 |
| 30 | 5 |
| 31 | 1 |
| 32 | 1 |