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 | 0 |
| 2 | 4 |
| 3 | 32 |
| 4 | 124 |
| 5 | 320 |
| 6 | 716 |
| 7 | 1328 |
| 8 | 2340 |
| 9 | 3792 |
| 10 | 5852 |
| 11 | 8544 |
| 12 | 12260 |
| 13 | 16864 |
| 14 | 22916 |
| 15 | 30272 |
| 16 | 39188 |
| 17 | 49824 |
| 18 | 62948 |
| 19 | 78080 |
| 20 | 96348 |
| 21 | 117232 |
| 22 | 141260 |
| 23 | 168480 |
| 24 | 200292 |
| 25 | 235680 |
| 26 | 276100 |
| 27 | 321056 |
| 28 | 371484 |
| 29 | 427024 |
| 30 | 489900 |
| 31 | 558112 |
| 32 | 634724 |
| 33 | 718432 |
| 34 | 810116 |
| 35 | 909600 |
| 36 | 1018388 |
| 37 | 1135136 |
| 38 | 1263828 |
| 39 | 1402304 |
| 40 | 1551908 |