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 | 3 |
| 2 | 8 |
| 3 | 324 |
| 4 | 1728 |
| 5 | 216000 |
| 6 | 1728000 |
| 7 | 444528000 |
| 8 | 4741632000 |
| 9 | 2073989836800 |
| 10 | 27653197824000 |
| 11 | 18403203151872000 |
| 12 | 294451250429952000 |
| 13 | 277246884511973376000 |
| 14 | 5175275177556836352000 |
| 15 | 6549957646595371008000000 |
| 16 | 139732429794034581504000000 |
| 17 | 228835142526030632976384000000 |