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 | 29 |
| 3 | 202 |
| 4 | 285 |
| 5 | 2925 |
| 6 | 2935 |
| 7 | 20377 |
| 8 | 29570 |
| 9 | 297119 |
| 10 | 2834699 |
| 11 | 2837875 |
| 12 | 2990390 |
| 13 | 2997334 |
| 14 | 287010920 |
| 15 | 2926428849 |
| 16 | 202542945597 |
| 17 | 295431039629 |
| 18 | 21495814697072 |
| 19 | 21614586653852 |