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 | 2 |
| 3 | 8 |
| 4 | 39 |
| 5 | 113 |
| 6 | 3895 |
| 7 | 4714 |
| 8 | 8592 |
| 9 | 34289 |
| 10 | 60097 |
| 11 | 942859 |
| 12 | 2759790 |
| 13 | 6649343 |
| 14 | 7937397 |
| 15 | 14480816 |
| 16 | 19338413 |
| 17 | 19338414 |
| 18 | 19338415 |
| 19 | 23187701 |
| 20 | 124679421 |