n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 2 |
4 | -4 |
5 | 26 |
6 | -134 |
7 | 930 |
8 | -6728 |
9 | 53056 |
10 | -413744 |
11 | 2752936 |
12 | -3042040 |
13 | -488089848 |
14 | 16658828096 |
15 | -442856699584 |
16 | 11075864697536 |
17 | -274957302952960 |
18 | 6922538197811392 |
19 | -178529204224920384 |
20 | 4739350807332125056 |
[1,1,0,2,-4,26,-134,930,-6728,53056,-413744, 2752936,-3042040,-488089848,16658828096, -442856699584,11075864697536,-274957302952960, 6922538197811392,-178529204224920384, 4739350807332125056] |