n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 3 |
4 | 8 |
5 | 135 |
6 | 1164 |
7 | 21035 |
8 | 322832 |
9 | 7040943 |
10 | 153153620 |
11 | 4048737099 |
12 | 112389077976 |
13 | 3537768793559 |
14 | 118535631544316 |
15 | 4353324736520955 |
16 | 170245846476629024 |
17 | 7163230987527864543 |
18 | 319708454444016133284 |
[1,0,3,8,135,1164,21035,322832,7040943,153153620, 4048737099,112389077976,3537768793559, 118535631544316,4353324736520955, 170245846476629024,7163230987527864543, 319708454444016133284] |