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 | 2 |
| 2 | 5 |
| 3 | 14 |
| 4 | 36 |
| 5 | 112 |
| 6 | 354 |
| 7 | 1193 |
| 8 | 4099 |
| 9 | 14374 |
| 10 | 51265 |
| 11 | 185143 |
| 12 | 675016 |
| 13 | 2481768 |
| 14 | 9183221 |
| 15 | 34179072 |
| 16 | 127826852 |