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 | 7 |
| 3 | 182 |
| 4 | 10192 |
| 5 | 1263808 |
| 6 | 230013056 |
| 7 | 78664465152 |
| 8 | 35241680388096 |
| 9 | 24739659632443392 |
| 10 | 21474024560960864256 |
| 11 | 28560452666077949460480 |
| 12 | 41584019081809494414458880 |
| 13 | 91318505903653649734151700480 |
| 14 | 218616503133346837463559170949120 |