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) |
|---|---|
| 0 | 19 |
| 1 | 16 |
| 2 | 15 |
| 3 | 32 |
| 4 | 73 |
| 5 | 153 |
| 6 | 1520 |
| 7 | 5104 |
| 8 | 241801435 |