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 | 631 |
| 2 | 5531 |
| 3 | 72661 |
| 4 | 865957 |
| 5 | 2375059 |
| 6 | 32353609 |
| 7 | 175175603 |
| 8 | 945552637 |
| 9 | 945552637 |
| 10 | 54144188771 |
| 11 | 688203780167 |
| 12 | 2701344818803 |