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 | 3 |
| 2 | 4 |
| 3 | 4 |
| 4 | 6 |
| 5 | 6 |
| 6 | 2100 |
| 7 | 2100 |
| 8 | 105828450 |
| 9 | 3533468190 |
| 10 | 240544635660 |
| 11 | 7392639784530 |
| 12 | 1896344521244250 |
| 13 | 5389539504929580 |
| 14 | 68086992545221650 |