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 | 0 |
| 3 | 1 |
| 4 | 12 |
| 5 | 30 |
| 6 | 128 |
| 7 | 147 |
| 8 | 264 |
| 9 | 1056 |
| 10 | 600 |
| 11 | 825 |
| 12 | 2380 |
| 13 | 1482 |
| 14 | 1932 |
| 15 | 9635 |
| 16 | 3024 |
| 17 | 3672 |
| 18 | 8484 |
| 19 | 5301 |
| 20 | 6300 |
| 21 | 19474 |
| 22 | 8580 |
| 23 | 9867 |
| 24 | 20744 |
| 25 | 12900 |
| 26 | 14664 |
| 27 | 30141 |
| 28 | 18564 |
| 29 | 20706 |
| 30 | 62200 |
| 31 | 25575 |
| 32 | 28320 |
| 33 | 54956 |
| 34 | 34272 |
| 35 | 37485 |
| 36 | 62868 |
| 37 | 44622 |
| 38 | 48564 |
| 39 | 86359 |
| 40 | 57000 |
| 41 | 61500 |
| 42 | 117068 |
| 43 | 71337 |