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 | 5 |
| 3 | 68 |
| 4 | 33 |
| 5 | 709 |
| 6 | 2313 |
| 7 | 13251 |
| 8 | 17961 |
| 9 | 231881 |
| 10 | 525323 |
| 11 | 4172904 |
| 12 | 7163595 |