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 | 8 |
| 3 | 46 |
| 4 | 863 |
| 5 | 4096 |
| 6 | 86723 |
| 7 | 487396 |
| 8 | 8619983 |
| 9 | 46895986 |
| 10 | 888761573 |
| 11 | 4852900117 |
| 12 | 63900232883 |
| 13 | 460368102115 |
| 14 | 296184492863 |
| 15 | 4092495749632 |
| 16 | 65079956993723 |
| 17 | 487949556936025 |
| 18 | 28845546953093 |
| 19 | 447426573467032 |
| 20 | 6526377852149753 |