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 | 18 |
| 5 | 55 |
| 6 | 138 |
| 7 | 470 |
| 8 | 1164 |
| 9 | 4055 |
| 10 | 10140 |
| 11 | 35609 |
| 12 | 89782 |
| 13 | 316513 |
| 14 | 803040 |