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 | 5120 |
| 2 | 1501674 |
| 3 | 144605184 |
| 4 | 7683664202 |
| 5 | 282359109140 |
| 6 | 8080813574550 |
| 7 | 193194265398240 |
| 8 | 4035559337688370 |
| 9 | 75925129079783308 |
| 10 | 1314578079936797520 |
| 11 | 21279238303065874504 |
| 12 | 325878859655043000344 |
| 13 | 4765036384361599508980 |
| 14 | 67005992305769489072298 |
| 15 | 911373843678367079288192 |