n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 40 |
6 | 3306 |
7 | 131876 |
8 | 3961356 |
9 | 103290096 |
10 | 2488179582 |
11 | 57162274972 |
12 | 1274774473632 |
13 | 27887396866472 |
14 | 602352276704178 |
15 | 12899161619186388 |
16 | 274612697648135028 |
17 | 5822592730060070368 |
18 | 123107330974129584294 |
[0,0,0,0,40,3306,131876,3961356,103290096, 2488179582,57162274972,1274774473632, 27887396866472,602352276704178,12899161619186388, 274612697648135028,5822592730060070368, 123107330974129584294] |