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 | 8 |
| 2 | 70 |
| 3 | 904 |
| 4 | 18205 |
| 5 | 516084 |
| 6 | 17892539 |
| 7 | 683027146 |
| 8 | 27044976947 |
| 9 | 1079112886476 |
| 10 | 42860145907558 |
| 11 | 1687239907979286 |
| 12 | 65777529883058423 |
| 13 | 2540922972496976428 |
| 14 | 97351678797063744735 |
| 15 | 3703224984260808730288 |
| 16 | 139993814565092144904305 |