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 | 0 |
| 7 | 144904 |
| 8 | 11990766 |
| 9 | 571333104 |
| 10 | 20460879142 |
| 11 | 611002852755 |
| 12 | 16057491913346 |
| 13 | 383591381459308 |
| 14 | 8507419863898968 |