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 | 8 |
| 2 | 216 |
| 3 | 21952 |
| 4 | 74088 |
| 5 | 373248 |
| 6 | 4251528 |
| 7 | 5268024 |
| 8 | 10648000 |
| 9 | 10941048 |
| 10 | 12812904 |
| 11 | 14886936 |
| 12 | 16003008 |
| 13 | 25934336 |
| 14 | 40707584 |
| 15 | 54872000 |
| 16 | 59319000 |
| 17 | 114791256 |
| 18 | 132651000 |
| 19 | 199176704 |
| 20 | 209584584 |
| 21 | 259694072 |
| 22 | 269586136 |
| 23 | 306182024 |
| 24 | 345948408 |
| 25 | 373248000 |
| 26 | 543338496 |
| 27 | 567663552 |