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 | 3 |
| 3 | 15 |
| 4 | 50 |
| 5 | 171 |
| 6 | 69 |
| 7 | 461 |
| 8 | 78 |
| 9 | 12203 |
| 10 | 312 |
| 11 | 318880 |
| 12 | 2184 |
| 13 | 57725 |
| 14 | 5804 |
| 15 | 6698 |
| 16 | 5091 |