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 | 891 |
| 9 | 18042 |
| 10 | 337148 |
| 11 | 6079368 |
| 12 | 108401655 |
| 13 | 1939557678 |
| 14 | 35146756581 |
| 15 | 649036979911 |