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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 11 |
| 5 | 32 |
| 6 | 50 |
| 7 | 132 |
| 8 | 380 |
| 9 | 368 |
| 10 | 1135 |
| 11 | 1120 |
| 12 | 4348 |
| 13 | 3622 |
| 14 | 10568 |
| 15 | 30634 |
| 16 | 46304 |
| 17 | 55576 |
| 18 | 152210 |