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) |
|---|---|
| 6 | 1 |
| 7 | 37 |
| 8 | 894 |
| 9 | 18219 |
| 10 | 343295 |
| 11 | 6245377 |
| 12 | 112283818 |
| 13 | 2022569354 |
| 14 | 36821516540 |
| 15 | 681544409462 |