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 | 892 |
| 9 | 18102 |
| 10 | 339300 |
| 11 | 6139749 |
| 12 | 109870847 |
| 13 | 1972227424 |
| 14 | 35831253120 |
| 15 | 662813023696 |