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 | 0 |
| 2 | 132 |
| 3 | 192 |
| 4 | 828 |
| 5 | 1152 |
| 6 | 2796 |
| 7 | 2880 |
| 8 | 6828 |
| 9 | 5376 |
| 10 | 14904 |
| 11 | 10944 |
| 12 | 20772 |
| 13 | 18432 |
| 14 | 40224 |
| 15 | 25920 |
| 16 | 53964 |
| 17 | 41472 |
| 18 | 76452 |
| 19 | 58176 |
| 20 | 107784 |
| 21 | 69504 |
| 22 | 156816 |
| 23 | 101376 |
| 24 | 163284 |
| 25 | 131328 |
| 26 | 259032 |
| 27 | 147072 |
| 28 | 295200 |
| 29 | 206208 |
| 30 | 357480 |
| 31 | 250560 |
| 32 | 432780 |
| 33 | 269568 |
| 34 | 576072 |
| 35 | 365184 |
| 36 | 555804 |
| 37 | 426240 |