n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | -12 |
5 | 60 |
6 | -570 |
7 | 3780 |
8 | -33600 |
9 | 266112 |
10 | -2452200 |
11 | 21323280 |
12 | -195333336 |
13 | 1587135264 |
14 | -9944442144 |
15 | -30963922080 |
16 | 3059476293120 |
17 | -90038301262976 |
18 | 2195425718875200 |
19 | -50367095018001792 |
20 | 1140534839454383488 |
[1,0,0,0,-12,60,-570,3780,-33600,266112,-2452200, 21323280,-195333336,1587135264,-9944442144, -30963922080,3059476293120,-90038301262976, 2195425718875200,-50367095018001792, 1140534839454383488] |