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) |
|---|---|
| 5 | 1 |
| 6 | 26 |
| 7 | 459 |
| 8 | 7035 |
| 9 | 101994 |
| 10 | 1455426 |
| 11 | 20884054 |
| 12 | 305260133 |
| 13 | 4584487108 |
| 14 | 71178802896 |
| 15 | 1147757161265 |