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 | 18 |
| 2 | 72 |
| 3 | 384 |
| 4 | 288 |
| 5 | 576 |
| 6 | 3072 |
| 7 | 1152 |
| 8 | 9216 |
| 9 | 7680 |
| 10 | 9216 |
| 11 | 6144 |
| 12 | 24576 |
| 13 | 2304 |
| 14 | 18432 |
| 15 | 3145728 |
| 16 | 147456 |
| 17 | 4608 |
| 18 | 491520 |
| 19 | 288 |
| 20 | 147456 |
| 21 | 9437184 |
| 22 | 98304 |
| 23 | 4608 |
| 24 | 12582912 |
| 25 | 589824 |
| 26 | 36864 |
| 27 | 1179648 |
| 28 | 589824 |
| 29 | 36864 |
| 30 | 201326592 |