n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 0 |
5 | 0 |
6 | 6 |
7 | 0 |
8 | 0 |
9 | 2 |
10 | 22 |
11 | 0 |
12 | 0 |
13 | 10 |
14 | 19 |
15 | 91 |
16 | 0 |
17 | 0 |
18 | 60 |
19 | 114 |
20 | 138 |
21 | 408 |
22 | 0 |
23 | 0 |
24 | 420 |
25 | 798 |
26 | 966 |
27 | 918 |
28 | 1938 |
29 | 0 |
30 | 0 |
31 | 3360 |
32 | 6384 |
33 | 7728 |
34 | 7344 |
35 | 5890 |
36 | 9614 |
37 | 0 |
38 | 0 |
39 | 30240 |
40 | 57456 |
41 | 69552 |
42 | 66096 |
43 | 53010 |
44 | 37191 |
45 | 49335 |
46 | 0 |
47 | 0 |
48 | 302400 |
49 | 574560 |
50 | 695520 |
51 | 660960 |
52 | 530100 |
53 | 371910 |
54 | 233220 |
[1,0,2,0,0,6,0,0,2,22,0,0,10,19,91,0,0,60,114,138, 408,0,0,420,798,966,918,1938,0,0,3360,6384,7728, 7344,5890,9614,0,0,30240,57456,69552,66096,53010, 37191,49335,0,0,302400,574560,695520,660960, 530100,371910,233220] |