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 | 6 |
| 3 | 8 |
| 4 | 35 |
| 5 | 1 |
| 6 | 8684 |
| 7 | 208 |
| 8 | 604 |
| 9 | 1192 |
| 10 | 276696 |
| 11 | 1362 |
| 12 | 2 |
| 13 | 2986 |
| 14 | 32 |
| 15 | 38772 |
| 16 | 28520 |
| 17 | 441984 |
| 18 | 1024 |
| 19 | 5047188 |