n | a(n) |
---|---|
2 | 2 |
3 | 4 |
4 | 12 |
5 | 104 |
6 | 344 |
7 | 4096 |
8 | 14572 |
9 | 190652 |
10 | 9586984 |
11 | 35791472 |
12 | 1908874584 |
13 | 27487790720 |
14 | 104715393912 |
15 | 1529755308212 |
16 | 86607685141744 |
17 | 4969489243995032 |
18 | 19215358410149344 |
19 | 1117984489315857512 |
20 | 16865594581677305360 |
21 | 65588423373189982912 |
[2,4,12,104,344,4096,14572,190652,9586984, 35791472,1908874584,27487790720,104715393912, 1529755308212,86607685141744,4969489243995032, 19215358410149344,1117984489315857512, 16865594581677305360,65588423373189982912] |