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 | 896 |
| 9 | 18300 |
| 10 | 345279 |
| 11 | 6283563 |
| 12 | 112917410 |
| 13 | 2031975924 |
| 14 | 36947165614 |
| 15 | 683007388087 |