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 | 291 |
| 2 | 24502749 |
| 3 | 36627829 |
| 4 | 3547310731 |
| 5 | 4721984179 |
| 6 | 461808766011 |