n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | -1 |
5 | 2 |
6 | 0 |
7 | 2 |
8 | -6 |
9 | 5 |
10 | 0 |
11 | -5 |
12 | 20 |
13 | -28 |
14 | 14 |
15 | 0 |
16 | 14 |
17 | -70 |
18 | 135 |
19 | -120 |
20 | 42 |
21 | 0 |
22 | -42 |
23 | 252 |
24 | -616 |
25 | 770 |
26 | -495 |
27 | 132 |
28 | 0 |
29 | 132 |
30 | -924 |
31 | 2730 |
32 | -4368 |
33 | 4004 |
34 | -2002 |
35 | 429 |
36 | 0 |
37 | -429 |
38 | 3432 |
39 | -11880 |
40 | 23100 |
41 | -27300 |
42 | 19656 |
43 | -8008 |
44 | 1430 |
[1,0,1,0,-1,2,0,2,-6,5,0,-5,20,-28,14,0,14,-70, 135,-120,42,0,-42,252,-616,770,-495,132,0,132, -924,2730,-4368,4004,-2002,429,0,-429,3432,-11880, 23100,-27300,19656,-8008,1430] |