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 | 1 |
| 1 | 1104 |
| 2 | 170064 |
| 3 | 17051328 |
| 4 | 396408912 |
| 5 | 4634713440 |
| 6 | 34410979008 |
| 7 | 187471449984 |
| 8 | 814973040720 |
| 9 | 2975426026128 |
| 10 | 9486423324000 |
| 11 | 27053536131648 |
| 12 | 70485827477184 |
| 13 | 169930457503968 |
| 14 | 384164030001024 |