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 | 576 |
| 2 | 4360 |
| 3 | 41248 |
| 4 | 561116 |
| 5 | 7801688 |
| 6 | 104971262 |
| 7 | 1384570516 |
| 8 | 17967375416 |
| 9 | 230262982692 |
| 10 | 2921020155826 |
| 11 | 36745483472428 |
| 12 | 459003330021886 |
| 13 | 5699362152372404 |
| 14 | 70403795917829390 |
| 15 | 865796392149477244 |