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) |
|---|---|
| 2 | 1 |
| 3 | 2 |
| 4 | 7 |
| 5 | 18 |
| 6 | 42 |
| 7 | 88 |
| 8 | 176 |
| 9 | 324 |
| 10 | 581 |
| 11 | 984 |
| 12 | 1631 |
| 13 | 2594 |
| 14 | 4055 |
| 15 | 6140 |
| 16 | 9164 |