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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 16 |
| 6 | 60 |
| 7 | 255 |
| 8 | 1193 |
| 9 | 5862 |
| 10 | 29875 |
| 11 | 155995 |
| 12 | 830539 |
| 13 | 4489352 |
| 14 | 24581675 |