n | a(n) |
---|---|
0 | 1 |
1 | -3 |
2 | 3 |
3 | -18 |
4 | 69 |
5 | -168 |
6 | 504 |
7 | -1578 |
8 | 4800 |
9 | -14310 |
10 | 42396 |
11 | -128049 |
12 | 385839 |
13 | -1154271 |
14 | 3458847 |
15 | -10386477 |
16 | 31173873 |
17 | -93490386 |
18 | 280426833 |
19 | -841384614 |
20 | 2524300014 |
21 | -7572585150 |
22 | 22717270491 |
23 | -68152872885 |
24 | 204460229394 |
25 | -613377236379 |
26 | 1840126774737 |
27 | -5520391488054 |
[1,-3,3,-18,69,-168,504,-1578,4800,-14310,42396, -128049,385839,-1154271,3458847,-10386477, 31173873,-93490386,280426833,-841384614, 2524300014,-7572585150,22717270491,-68152872885, 204460229394,-613377236379,1840126774737, -5520391488054] |