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) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 7190 |
| 7 | 469632 |
| 8 | 18521632 |
| 9 | 563764626 |
| 10 | 14578260141 |
| 11 | 336572753272 |
| 12 | 7146006383642 |
| 13 | 142229030736882 |
| 14 | 2688967762932621 |