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 | 162 |
| 4 | 512 |
| 5 | 1250 |
| 6 | 8192 |
| 7 | 31250 |
| 8 | 32768 |
| 9 | 41472 |
| 10 | 663552 |
| 11 | 2531250 |
| 12 | 3748322 |
| 13 | 5120000 |
| 14 | 6837602 |
| 15 | 7558272 |
| 16 | 8000000 |
| 17 | 15780962 |
| 18 | 33554432 |
| 19 | 35701250 |
| 20 | 42762752 |
| 21 | 45334242 |
| 22 | 68024448 |
| 23 | 75031250 |
| 24 | 78125000 |
| 25 | 91125000 |
| 26 | 137149922 |
| 27 | 243101250 |
| 28 | 512000000 |
| 29 | 907039232 |
| 30 | 959570432 |