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 | 32 |
| 2 | 142129 |
| 3 | 402494400 |
| 4 | 1117092569476 |
| 5 | 3080781263731464 |
| 6 | 8491624540729737796 |
| 7 | 23397344246732649325860 |