n | a(n) |
---|---|
0 | 1 |
1 | -10 |
2 | 35 |
3 | -50 |
4 | 25 |
5 | -2 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | -1 |
11 | -10 |
12 | -65 |
13 | -350 |
14 | -1700 |
15 | -7752 |
16 | -33915 |
17 | -144210 |
18 | -600875 |
19 | -2466750 |
20 | -10015005 |
21 | -40320150 |
22 | -161280600 |
23 | -641886000 |
24 | -2544619500 |
25 | -10056336264 |
26 | -39645171810 |
27 | -155989499540 |
28 | -612815891050 |
29 | -2404551645100 |
30 | -9425842448792 |
[1,-10,35,-50,25,-2,0,0,0,0,-1,-10,-65,-350,-1700, -7752,-33915,-144210,-600875,-2466750,-10015005, -40320150,-161280600,-641886000,-2544619500, -10056336264,-39645171810,-155989499540, -612815891050,-2404551645100,-9425842448792] |