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 | 2140008 |
| 5 | 81320304 |
| 6 | 3090171552 |
| 7 | 117426518235 |
| 8 | 4462207664772 |
| 9 | 169563890192073 |
| 10 | 6443427786666780 |
| 11 | 244850254349321868 |
| 12 | 9304309606601631648 |
| 13 | 353563762821303227856 |
| 14 | 13435422902486289765684 |