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 | 325 |
| 3 | 82621 |
| 4 | 20985481 |
| 5 | 5330229625 |
| 6 | 1353857339341 |
| 7 | 343874433963061 |
| 8 | 87342752369278225 |
| 9 | 22184715227362706161 |
| 10 | 5634830324997758086741 |
| 11 | 1431224717834203191326125 |
| 12 | 363525443499562612838749081 |
| 13 | 92334031424171069457850940521 |
| 14 | 23452480456295952079681300143325 |