n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -4 |
3 | -12 |
4 | -12 |
5 | 100 |
6 | 852 |
7 | 4004 |
8 | 9940 |
9 | -36828 |
10 | -726316 |
11 | -6174300 |
12 | -35968812 |
13 | -109708508 |
14 | 702818004 |
15 | 16677814436 |
16 | 188794428628 |
17 | 1542659688996 |
18 | 8359981681364 |
19 | -3068614764636 |
20 | -868989327994668 |
21 | -15076627082974940 |
22 | -179727483880747308 |
[1,0,-4,-12,-12,100,852,4004,9940,-36828,-726316, -6174300,-35968812,-109708508,702818004, 16677814436,188794428628,1542659688996, 8359981681364,-3068614764636,-868989327994668, -15076627082974940,-179727483880747308] |