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) |
|---|---|
| 0 | 0 |
| 1 | 10077696 |
| 2 | 5159780352 |
| 3 | 198359290368 |
| 4 | 2641807540224 |
| 5 | 19683000000000 |
| 6 | 101559956668416 |
| 7 | 406671383849472 |
| 8 | 1352605460594688 |
| 9 | 3904305912313344 |
| 10 | 10077696000000000 |
| 11 | 23762680013799936 |
| 12 | 51998697814228992 |