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) |
|---|---|
| 6 | 1 |
| 7 | 1 |
| 8 | 5 |
| 9 | 7 |
| 10 | 21 |
| 11 | 30 |
| 12 | 88 |
| 13 | 116 |
| 14 | 336 |
| 15 | 439 |
| 16 | 1271 |
| 17 | 1639 |
| 18 | 4713 |
| 19 | 6088 |
| 20 | 17452 |