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 | 8 |
| 4 | 24 |
| 5 | 61 |
| 6 | 269 |
| 7 | 501 |
| 8 | 2121 |
| 9 | 4709 |
| 10 | 14978 |
| 11 | 26675 |
| 12 | 123081 |
| 13 | 179707 |
| 14 | 660366 |
| 15 | 1479114 |