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 | 3 |
| 5 | 28 |
| 6 | 137 |
| 7 | 210 |
| 8 | 692 |
| 9 | 717 |
| 10 | 933 |
| 11 | 3138 |
| 12 | 3213 |
| 13 | 3416 |
| 14 | 3467 |
| 15 | 3538 |
| 16 | 16068 |