n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | -2 |
6 | -4 |
7 | 0 |
8 | -7 |
9 | 20 |
10 | 42 |
11 | 0 |
12 | 84 |
13 | -272 |
14 | -584 |
15 | 0 |
16 | -1239 |
17 | 4270 |
18 | 9288 |
19 | 0 |
20 | 20370 |
21 | -72860 |
22 | -159840 |
23 | 0 |
24 | -358092 |
25 | 1312824 |
26 | 2897400 |
27 | 0 |
28 | 6587944 |
29 | -24580512 |
30 | -54490848 |
31 | 0 |
32 | -125256887 |
33 | 473534676 |
34 | 1053346410 |
35 | 0 |
36 | 2441648384 |
37 | -9325376200 |
38 | -20800103016 |
39 | 0 |
40 | -48534848222 |
41 | 186886877456 |
42 | 417769301220 |
43 | 0 |
[1,1,1,0,1,-2,-4,0,-7,20,42,0,84,-272,-584,0, -1239,4270,9288,0,20370,-72860,-159840,0,-358092, 1312824,2897400,0,6587944,-24580512,-54490848,0, -125256887,473534676,1053346410,0,2441648384, -9325376200,-20800103016,0,-48534848222, 186886877456,417769301220,0] |