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 | 3 |
| 2 | 5 |
| 3 | 16 |
| 4 | 50 |
| 5 | 218 |
| 6 | 937 |
| 7 | 4494 |
| 8 | 21517 |
| 9 | 106401 |
| 10 | 526132 |
| 11 | 2623341 |
| 12 | 13080136 |
| 13 | 65354995 |
| 14 | 326546638 |