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 | 2 |
| 2 | 27 |
| 3 | 778 |
| 4 | 37553 |
| 5 | 2688546 |
| 6 | 265141267 |
| 7 | 34260962282 |
| 8 | 5594505151713 |
| 9 | 1123144155626338 |
| 10 | 271300013006911211 |
| 11 | 77489174023697484522 |
| 12 | 25797166716252173322577 |
| 13 | 9890278784047791697198658 |
| 14 | 4322087630240844404678150883 |