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) |
|---|---|
| 0 | 56 |
| 1 | 336 |
| 2 | 1200 |
| 3 | 3300 |
| 4 | 7700 |
| 5 | 16016 |
| 6 | 30576 |
| 7 | 54600 |
| 8 | 92400 |
| 9 | 149600 |
| 10 | 233376 |
| 11 | 352716 |
| 12 | 518700 |
| 13 | 744800 |
| 14 | 1047200 |
| 15 | 1445136 |
| 16 | 1961256 |
| 17 | 2622000 |
| 18 | 3458000 |
| 19 | 4504500 |
| 20 | 5801796 |
| 21 | 7395696 |
| 22 | 9338000 |
| 23 | 11687000 |
| 24 | 14508000 |
| 25 | 17873856 |
| 26 | 21865536 |
| 27 | 26572700 |
| 28 | 32094300 |
| 29 | 38539200 |
| 30 | 46026816 |