n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | -4 |
7 | 12 |
8 | -30 |
9 | 70 |
10 | -282 |
11 | 2195 |
12 | -17680 |
13 | 122815 |
14 | -752054 |
15 | 4449773 |
16 | -30013564 |
17 | 259850583 |
18 | -2638753310 |
19 | 27217133989 |
20 | -269838173334 |
21 | 2620588539506 |
22 | -26487374528378 |
23 | 295615679025264 |
24 | -3658718423476721 |
[1,0,0,0,1,-4,12,-30,70,-282,2195,-17680,122815, -752054,4449773,-30013564,259850583,-2638753310, 27217133989,-269838173334,2620588539506, -26487374528378,295615679025264,-3658718423476721] |