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 | 39 |
| 2 | 1482 |
| 3 | 56316 |
| 4 | 2139267 |
| 5 | 81263988 |
| 6 | 3086962281 |
| 7 | 117263934684 |
| 8 | 4454486050560 |
| 9 | 169211838474861 |
| 10 | 6427822638540342 |
| 11 | 244172655087350379 |
| 12 | 9275347010187982854 |
| 13 | 352341101130365494992 |
| 14 | 13384324210123816783899 |