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 | 3 |
| 3 | 6 |
| 4 | 10 |
| 5 | 10 |
| 6 | 54 |
| 7 | 54 |
| 8 | 54 |
| 9 | 54 |
| 10 | 130 |
| 11 | 130 |
| 12 | 130 |
| 13 | 130 |
| 14 | 390 |
| 15 | 390 |
| 16 | 2000 |
| 17 | 2000 |
| 18 | 3238 |
| 19 | 3238 |
| 20 | 4080 |
| 21 | 4080 |
| 22 | 7326 |
| 23 | 7326 |
| 24 | 16584 |
| 25 | 16584 |
| 26 | 17310 |
| 27 | 17310 |
| 28 | 17310 |
| 29 | 17310 |
| 30 | 17310 |
| 31 | 17310 |
| 32 | 17310 |
| 33 | 17310 |
| 34 | 231000 |
| 35 | 231000 |
| 36 | 231000 |
| 37 | 231000 |
| 38 | 466352 |
| 39 | 466352 |
| 40 | 466352 |
| 41 | 466352 |
| 42 | 3020830 |