n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 16 |
3 | 192 |
4 | 3072 |
5 | 61440 |
6 | 1474560 |
7 | 41287680 |
8 | 1321205760 |
9 | 47563407360 |
10 | 1902536294400 |
11 | 83711596953600 |
12 | 4018156653772800 |
13 | 208944145996185600 |
14 | 11700872175786393600 |
15 | 702052330547183616000 |
16 | 44931349155019751424000 |
17 | 235025518657026392064000 |
18 | 219983885462976702971904000 |
19 | 16718775295186229425864704000 |
20 | 1337502023614898354069176320000 |
[1,2,16,192,3072,61440,1474560,41287680, 1321205760,47563407360,1902536294400, 83711596953600,4018156653772800, 208944145996185600,11700872175786393600, 702052330547183616000,44931349155019751424000, 235025518657026392064000, 219983885462976702971904000, 16718775295186229425864704000, 1337502023614898354069176320000] |