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) |
|---|---|
| 4 | 16 |
| 5 | 45 |
| 6 | 75 |
| 7 | 209 |
| 8 | 336 |
| 9 | 928 |
| 10 | 1445 |
| 11 | 3965 |
| 12 | 6000 |
| 13 | 16555 |