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 | 2 |
| 2 | 7 |
| 3 | 32 |
| 4 | 161 |
| 5 | 736 |
| 6 | 3416 |
| 7 | 15976 |
| 8 | 74295 |
| 9 | 345334 |
| 10 | 1605089 |
| 11 | 7455698 |
| 12 | 34623338 |
| 13 | 160759047 |
| 14 | 746318897 |
| 15 | 3464508951 |
| 16 | 16081935250 |
| 17 | 74648713406 |