n | a(n) |
---|---|
0 | 1 |
1 | -40 |
2 | 740 |
3 | -8320 |
4 | 62530 |
5 | -322048 |
6 | 1085240 |
7 | -1799680 |
8 | -2821065 |
9 | 26012480 |
10 | -66837420 |
11 | 35093760 |
12 | 268749870 |
13 | -783902720 |
14 | 526221400 |
15 | 1691816960 |
16 | -3960854625 |
17 | 1042577120 |
18 | 5103133240 |
19 | -380798080 |
20 | -10159511430 |
[1,-40,740,-8320,62530,-322048,1085240,-1799680, -2821065,26012480,-66837420,35093760,268749870, -783902720,526221400,1691816960,-3960854625, 1042577120,5103133240,-380798080,-10159511430] |