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 | 198 |
| 4 | 217 |
| 5 | 5936 |
| 6 | 7400 |
| 7 | 8999 |
| 8 | 11672 |
| 9 | 5814279 |
| 10 | 9242361 |
| 11 | 10430012 |
| 12 | 21603226 |
| 13 | 28563733 |
| 14 | 252544448 |
| 15 | 5042264464 |
| 16 | 5795685640 |
| 17 | 421559495895 |