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 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 0 |
| 4 | 1 |
| 5 | 10 |
| 6 | 24 |
| 7 | 27 |
| 8 | 16 |
| 9 | 12 |
| 10 | 0 |
| 11 | 1 |
| 12 | 56 |
| 13 | 216 |
| 14 | 378 |
| 15 | 435 |
| 16 | 324 |
| 17 | 189 |
| 18 | 54 |
| 19 | 27 |
| 20 | 0 |
| 21 | 1 |
| 22 | 346 |
| 23 | 1824 |
| 24 | 4536 |
| 25 | 7136 |
| 26 | 7947 |
| 27 | 6336 |
| 28 | 3936 |
| 29 | 1728 |
| 30 | 684 |
| 31 | 128 |
| 32 | 48 |
| 33 | 0 |
| 34 | 1 |
| 35 | 2252 |
| 36 | 15150 |
| 37 | 48600 |
| 38 | 99350 |
| 39 | 144150 |
| 40 | 156753 |
| 41 | 131000 |
| 42 | 87075 |
| 43 | 45000 |
| 44 | 19300 |
| 45 | 6000 |