n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 2 |
4 | 4 |
5 | -6 |
6 | 6 |
7 | -36 |
8 | 44 |
9 | -36 |
10 | 24 |
11 | 576 |
12 | -600 |
13 | 420 |
14 | -240 |
15 | 120 |
16 | -14400 |
17 | 13152 |
18 | -8100 |
19 | 4080 |
20 | -1800 |
21 | 720 |
22 | 518400 |
23 | -423360 |
24 | 233856 |
25 | -105840 |
26 | 42000 |
27 | -15120 |
28 | 5040 |
29 | -25401600 |
30 | 18817920 |
31 | -9455040 |
32 | 3898944 |
33 | -1411200 |
34 | 463680 |
35 | -141120 |
36 | 40320 |
37 | 1625702400 |
38 | -1104606720 |
39 | 510295680 |
40 | -193777920 |
41 | 64653120 |
42 | -19595520 |
43 | 5503680 |
44 | -1451520 |
45 | 362880 |
[1,-1,2,4,-6,6,-36,44,-36,24,576,-600,420,-240, 120,-14400,13152,-8100,4080,-1800,720,518400, -423360,233856,-105840,42000,-15120,5040, -25401600,18817920,-9455040,3898944,-1411200, 463680,-141120,40320,1625702400,-1104606720, 510295680,-193777920,64653120,-19595520,5503680, -1451520,362880] |