n | a(n) |
---|---|
2 | 1 |
3 | 2 |
4 | 32 |
5 | 128 |
6 | 512 |
7 | 8192 |
8 | 2097152 |
9 | 226492416 |
10 | 301989888 |
11 | 536870912 |
12 | 32212254720 |
13 | 8349416423424 |
14 | 4453022092492800 |
15 | 1122161567308185600 |
16 | 2294196982052290560 |
17 | 12235717237612216320 |
18 | 16314289650149621760 |
19 | 58731442740538638336000 |
20 | 51166832915557261718323200 |
[1,2,32,128,512,8192,2097152,226492416,301989888, 536870912,32212254720,8349416423424, 4453022092492800,1122161567308185600, 2294196982052290560,12235717237612216320, 16314289650149621760,58731442740538638336000, 51166832915557261718323200] |