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) |
|---|---|
| 1 | 1 |
| 2 | 26 |
| 3 | 604 |
| 4 | 14120 |
| 5 | 334576 |
| 6 | 7987616 |
| 7 | 191318464 |
| 8 | 4588288640 |
| 9 | 110090411776 |
| 10 | 2641931680256 |
| 11 | 63404394241024 |
| 12 | 1521689370306560 |
| 13 | 36520413978750976 |
| 14 | 876488875160477696 |
| 15 | 21035724442850934784 |
| 16 | 504857317670233210880 |