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 | 36 |
| 2 | 144 |
| 3 | 1764 |
| 4 | 5184 |
| 5 | 360000 |
| 6 | 412164 |
| 7 | 777924 |
| 8 | 4536900 |
| 9 | 5673924 |
| 10 | 7225344 |
| 11 | 12659364 |
| 12 | 12830724 |
| 13 | 20684304 |
| 14 | 37601424 |
| 15 | 56972304 |
| 16 | 64160100 |
| 17 | 81757764 |
| 18 | 179506404 |
| 19 | 194100624 |
| 20 | 255104784 |
| 21 | 309689604 |
| 22 | 366339600 |
| 23 | 461906064 |
| 24 | 689062500 |
| 25 | 689692644 |
| 26 | 1191078144 |
| 27 | 1495368900 |
| 28 | 1538835984 |