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 | 0 |
| 2 | 9 |
| 3 | 512 |
| 4 | 50706 |
| 5 | 7962624 |
| 6 | 1838528498 |
| 7 | 587068342272 |
| 8 | 248158343164707 |
| 9 | 134217728134217728 |
| 10 | 90438270904261473426 |
| 11 | 74300837068800000000000 |
| 12 | 73119374851006048408704228 |
| 13 | 84922087747184192618514874368 |
| 14 | 114943537906488487820754156670578 |