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 | 7 |
| 3 | 35 |
| 4 | 29 |
| 5 | 111 |
| 6 | 455 |
| 7 | 1056 |
| 8 | 1624 |
| 9 | 645 |
| 10 | 2296 |
| 11 | 1584 |
| 12 | 7504 |
| 13 | 18081 |
| 14 | 15959 |
| 15 | 28441 |