n | a(n) |
---|---|
1 | 4 |
2 | 6 |
3 | 12 |
4 | 24 |
5 | 54 |
6 | 186 |
7 | 3246 |
8 | 25926 |
9 | 169314 |
10 | 412026 |
11 | 541524 |
12 | 37949286 |
13 | 124716066 |
14 | 324532464 |
15 | 26678398374 |
16 | 3559613215806 |
17 | 30751771983294 |
18 | 20116294396883346 |
[4,6,12,24,54,186,3246,25926,169314,412026,541524, 37949286,124716066,324532464,26678398374, 3559613215806,30751771983294,20116294396883346] |