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 | 65 |
| 2 | 2210 |
| 3 | 58565 |
| 4 | 4678570 |
| 5 | 442765765 |
| 6 | 5279766245 |
| 7 | 2419804247185 |
| 8 | 271780381692170 |
| 9 | 28579081466859170 |
| 10 | 4069607103295265285 |