n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | -12 |
5 | 60 |
6 | -210 |
7 | 1260 |
8 | -1680 |
9 | -66528 |
10 | 854040 |
11 | -9944880 |
12 | 101761704 |
13 | -561845856 |
14 | -2175945408 |
15 | 136635189600 |
16 | -3242837295360 |
17 | 53779020559744 |
18 | -655909940939712 |
19 | 4733948121328512 |
20 | 61668138518505088 |
[1,0,0,0,-12,60,-210,1260,-1680,-66528,854040, -9944880,101761704,-561845856,-2175945408, 136635189600,-3242837295360,53779020559744, -655909940939712,4733948121328512, 61668138518505088] |