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 | 10 |
| 2 | 36 |
| 3 | 3984 |
| 4 | 57408 |
| 5 | 135168 |
| 6 | 1073283072 |
| 7 | 1152921502459625472 |
| 8 | 309485007515502060584828928 |
| 9 | 81129019444588191927156162428928 |
| 10 | 85070429471267271662301605348656545792 |