n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -4 |
3 | 1 |
4 | -20 |
5 | 64 |
6 | 1 |
7 | -56 |
8 | 784 |
9 | -2304 |
10 | 1 |
11 | -120 |
12 | 4368 |
13 | -52480 |
14 | 147456 |
15 | 1 |
16 | -220 |
17 | 16368 |
18 | -489280 |
19 | 5395456 |
20 | -14745600 |
21 | 1 |
22 | -364 |
23 | 48048 |
24 | -2846272 |
25 | 75851776 |
26 | -791691264 |
27 | 2123366400 |
28 | 1 |
29 | -560 |
30 | 119392 |
31 | -12263680 |
32 | 633721088 |
33 | -15658639360 |
34 | 157294854144 |
35 | -416179814400 |
36 | 1 |
37 | -816 |
38 | 262752 |
39 | -42828032 |
40 | 3773223168 |
41 | -177891237888 |
42 | 4165906530304 |
43 | -40683662475264 |
44 | 106542032486400 |
45 | 1 |
46 | -1140 |
47 | 527136 |
48 | -127959680 |
49 | 17649505536 |
50 | -1400415544320 |
51 | 61802667606016 |
52 | -1390437378293760 |
53 | 13288048674471936 |
54 | -34519618525593600 |
[1,1,-4,1,-20,64,1,-56,784,-2304,1,-120,4368, -52480,147456,1,-220,16368,-489280,5395456, -14745600,1,-364,48048,-2846272,75851776, -791691264,2123366400,1,-560,119392,-12263680, 633721088,-15658639360,157294854144,-416179814400, 1,-816,262752,-42828032,3773223168,-177891237888, 4165906530304,-40683662475264,106542032486400,1, -1140,527136,-127959680,17649505536, -1400415544320,61802667606016,-1390437378293760, 13288048674471936,-34519618525593600] |