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 | 462 |
| 2 | 724082352 |
| 3 | 68264066143602 |
| 4 | 4051316109991426752 |
| 5 | 207406617181155352354002 |
| 6 | 10046278068363977051128904352 |
| 7 | 475997448692406224810330915906802 |