n | a(n) |
---|---|
0 | 1 |
1 | 17 |
2 | 272 |
3 | 4352 |
4 | 69496 |
5 | 1109760 |
6 | 17721480 |
7 | 282988800 |
8 | 4518961080 |
9 | 72161899200 |
10 | 1152331158600 |
11 | 18401221627200 |
12 | 293843444945400 |
13 | 4692295538064000 |
14 | 74929823330517000 |
15 | 1196531288107632000 |
16 | 19107039891249747000 |
17 | 305114439575750760000 |
18 | 4872278582526960045000 |
[1,17,272,4352,69496,1109760,17721480,282988800, 4518961080,72161899200,1152331158600, 18401221627200,293843444945400,4692295538064000, 74929823330517000,1196531288107632000, 19107039891249747000,305114439575750760000, 4872278582526960045000] |