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 | 0 |
| 1 | 2 |
| 2 | 18 |
| 3 | 72 |
| 4 | 200 |
| 5 | 450 |
| 6 | 882 |
| 7 | 1568 |
| 8 | 2592 |
| 9 | 4050 |
| 10 | 6050 |
| 11 | 8712 |
| 12 | 12168 |
| 13 | 16562 |
| 14 | 22050 |
| 15 | 28800 |
| 16 | 36992 |
| 17 | 46818 |
| 18 | 58482 |
| 19 | 72200 |
| 20 | 88200 |
| 21 | 106722 |
| 22 | 128018 |
| 23 | 152352 |
| 24 | 180000 |
| 25 | 211250 |
| 26 | 246402 |
| 27 | 285768 |
| 28 | 329672 |
| 29 | 378450 |
| 30 | 432450 |
| 31 | 492032 |
| 32 | 557568 |
| 33 | 629442 |
| 34 | 708050 |
| 35 | 793800 |
| 36 | 887112 |
| 37 | 988418 |