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) |
|---|---|
| 10 | 1 |
| 11 | 1 |
| 12 | 6 |
| 13 | 22 |
| 14 | 73 |
| 15 | 201 |
| 16 | 504 |
| 17 | 1144 |
| 18 | 2438 |
| 19 | 4862 |
| 20 | 9252 |
| 21 | 16796 |
| 22 | 29414 |
| 23 | 49742 |
| 24 | 81752 |
| 25 | 130752 |
| 26 | 204347 |
| 27 | 312455 |
| 28 | 468754 |
| 29 | 690690 |
| 30 | 1001603 |
| 31 | 1430715 |
| 32 | 2016144 |
| 33 | 2804880 |
| 34 | 3856892 |
| 35 | 5245128 |
| 36 | 7060984 |
| 37 | 9414328 |
| 38 | 12440668 |
| 39 | 16301164 |