n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | -2 |
4 | 0 |
5 | -12 |
6 | 2 |
7 | -78 |
8 | 24 |
9 | -548 |
10 | 228 |
11 | -4050 |
12 | 2030 |
13 | -30960 |
14 | 17670 |
15 | -242402 |
16 | 152520 |
17 | -1932000 |
18 | 1312844 |
19 | -15612150 |
20 | 11297052 |
21 | -127551884 |
22 | 97291026 |
23 | -1051478274 |
24 | 838994486 |
25 | -8732657724 |
26 | 7246304736 |
27 | -72983051674 |
28 | 62686156026 |
29 | -613243234224 |
30 | 543146222970 |
[1,0,0,-2,0,-12,2,-78,24,-548,228,-4050,2030, -30960,17670,-242402,152520,-1932000,1312844, -15612150,11297052,-127551884,97291026, -1051478274,838994486,-8732657724,7246304736, -72983051674,62686156026,-613243234224, 543146222970] |