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 | 0 |
| 3 | 2304 |
| 4 | 47648 |
| 5 | 228512 |
| 6 | 616752 |
| 7 | 1241936 |
| 8 | 2102944 |
| 9 | 3192912 |
| 10 | 4505424 |
| 11 | 6037932 |
| 12 | 7789392 |
| 13 | 9759616 |
| 14 | 11948560 |
| 15 | 14356224 |
| 16 | 16982608 |
| 17 | 19827712 |
| 18 | 22891536 |
| 19 | 26174080 |
| 20 | 29675344 |
| 21 | 33395328 |
| 22 | 37334032 |
| 23 | 41491456 |
| 24 | 45867600 |
| 25 | 50462464 |
| 26 | 55276048 |
| 27 | 60308352 |