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 | 1 |
| 3 | 8 |
| 4 | 1000 |
| 5 | 8000 |
| 6 | 474552 |
| 7 | 1000000 |
| 8 | 1643032 |
| 9 | 8000000 |
| 10 | 13312053 |
| 11 | 27818127 |
| 12 | 125751501 |
| 13 | 474552000 |
| 14 | 1000000000 |
| 15 | 1015075125 |
| 16 | 1121622319 |
| 17 | 1256216039 |
| 18 | 1501123625 |
| 19 | 1643032000 |
| 20 | 3811036328 |
| 21 | 8000000000 |
| 22 | 11000295424 |
| 23 | 13312053000 |