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 |
45 | 0 |
46 | 1430 |
47 | 12870 |
48 | 51051 |
49 | 116688 |
50 | 168300 |
51 | 157080 |
52 | 92820 |
53 | 31824 |
54 | 4862 |
[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, 8008,1430,0,1430,12870,51051,116688,168300,157080, 92820,31824,4862] |