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) |
|---|---|
| 3 | 4 |
| 4 | 6 |
| 5 | 64 |
| 6 | 100 |
| 7 | 1296 |
| 8 | 2058 |
| 9 | 32768 |
| 10 | 52488 |
| 11 | 1000000 |
| 12 | 1610510 |
| 13 | 35831808 |
| 14 | 57921708 |
| 15 | 1475789056 |
| 16 | 2392031250 |
| 17 | 68719476736 |
| 18 | 111612119056 |
| 19 | 3570467226624 |
| 20 | 5808378560022 |
| 21 | 204800000000000 |
| 22 | 333597619564020 |
| 23 | 12855002631049216 |
| 24 | 20961814674106394 |
| 25 | 876488338465357824 |
| 26 | 1430511474609375000 |
| 27 | 64509974703297150976 |