n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 0 |
6 | 1 |
7 | 4 |
8 | 6 |
9 | 0 |
10 | 1 |
11 | 6 |
12 | 36 |
13 | 20 |
14 | 0 |
15 | 1 |
16 | 8 |
17 | 90 |
18 | 400 |
19 | 70 |
20 | 0 |
21 | 1 |
22 | 10 |
23 | 168 |
24 | 1860 |
25 | 4900 |
26 | 252 |
27 | 0 |
28 | 1 |
29 | 12 |
30 | 270 |
31 | 5120 |
32 | 44730 |
33 | 63504 |
34 | 924 |
35 | 0 |
36 | 1 |
37 | 14 |
38 | 396 |
39 | 10900 |
40 | 190120 |
41 | 1172556 |
42 | 853776 |
43 | 3432 |
44 | 0 |
45 | 1 |
46 | 16 |
47 | 546 |
48 | 19920 |
49 | 551950 |
50 | 7939008 |
51 | 32496156 |
52 | 11778624 |
53 | 12870 |
54 | 0 |
[1,1,0,1,2,0,1,4,6,0,1,6,36,20,0,1,8,90,400,70,0, 1,10,168,1860,4900,252,0,1,12,270,5120,44730, 63504,924,0,1,14,396,10900,190120,1172556,853776, 3432,0,1,16,546,19920,551950,7939008,32496156, 11778624,12870,0] |