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 | 1 |
| 2 | 64 |
| 3 | 3025 |
| 4 | 142129 |
| 5 | 6677056 |
| 6 | 313679521 |
| 7 | 14736260449 |
| 8 | 692290561600 |
| 9 | 32522920134769 |
| 10 | 1527884955772561 |
| 11 | 71778070001175616 |
| 12 | 3372041405099481409 |
| 13 | 158414167969674450625 |
| 14 | 7442093853169599697984 |
| 15 | 349619996931001511354641 |
| 16 | 16424697761903901433970161 |