n | a(n) |
---|---|
1 | 2 |
2 | -3 |
3 | 18 |
4 | -44 |
5 | -72 |
6 | 216 |
7 | 360 |
8 | -1980 |
9 | -1620 |
10 | 3240 |
11 | 7176 |
12 | 25920 |
13 | -71280 |
14 | -38880 |
15 | 58320 |
16 | -151200 |
17 | 753480 |
18 | 1360800 |
19 | -2494800 |
20 | -1020600 |
21 | 1224720 |
22 | -3587520 |
23 | -21772800 |
24 | 54250560 |
25 | 65318400 |
26 | -89812800 |
27 | -29393280 |
28 | 29393280 |
29 | 152409600 |
30 | -678041280 |
31 | -2057529600 |
32 | 3417785280 |
33 | 3086294400 |
[2,-3,18,-44,-72,216,360,-1980,-1620,3240,7176, 25920,-71280,-38880,58320,-151200,753480,1360800, -2494800,-1020600,1224720,-3587520,-21772800, 54250560,65318400,-89812800,-29393280,29393280, 152409600,-678041280,-2057529600,3417785280, 3086294400] |