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 | 38 |
| 2 | 1406 |
| 3 | 52022 |
| 4 | 1924111 |
| 5 | 71166096 |
| 6 | 2632183848 |
| 7 | 97355219328 |
| 8 | 3600827035866 |
| 9 | 133181923185576 |
| 10 | 4925930761424952 |
| 11 | 182192847843197736 |
| 12 | 6738672428195210748 |
| 13 | 249239784283952410080 |
| 14 | 9218502714272560450272 |