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 | 561 |
| 2 | 162401 |
| 3 | 410041 |
| 4 | 488881 |
| 5 | 656601 |
| 6 | 2433601 |
| 7 | 36765901 |
| 8 | 109393201 |
| 9 | 171454321 |
| 10 | 176659201 |
| 11 | 178837201 |
| 12 | 189941761 |
| 13 | 221884001 |
| 14 | 288120421 |
| 15 | 600892993 |
| 16 | 618068881 |
| 17 | 721244161 |
| 18 | 931694401 |
| 19 | 985052881 |
| 20 | 1183104001 |
| 21 | 1828377001 |
| 22 | 1848112761 |
| 23 | 1943951041 |
| 24 | 2361232477 |
| 25 | 2438403661 |