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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 8 |
| 7 | 16 |
| 8 | 20 |
| 9 | 27 |
| 10 | 115 |
| 11 | 180 |
| 12 | 274 |
| 13 | 576 |
| 14 | 1111 |
| 15 | 2404 |
| 16 | 5127 |
| 17 | 8082 |
| 18 | 9514 |
| 19 | 12808 |
| 20 | 14752 |
| 21 | 15926 |
| 22 | 22670 |
| 23 | 37432 |
| 24 | 41988 |
| 25 | 53707 |
| 26 | 72595 |
| 27 | 92742 |