n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 1 |
4 | 21 |
5 | 9 |
6 | 1 |
7 | 231 |
8 | 84 |
9 | 27 |
10 | 18 |
11 | 1 |
12 | 3465 |
13 | 1155 |
14 | 630 |
15 | 210 |
16 | 135 |
17 | 30 |
18 | 1 |
19 | 65835 |
20 | 20790 |
21 | 10395 |
22 | 4410 |
23 | 3465 |
24 | 3780 |
25 | 405 |
26 | 420 |
27 | 405 |
28 | 45 |
29 | 1 |
30 | 1514205 |
31 | 460845 |
32 | 218295 |
33 | 169785 |
34 | 72765 |
35 | 72765 |
36 | 30870 |
37 | 19845 |
38 | 8085 |
39 | 13230 |
40 | 2835 |
41 | 735 |
42 | 945 |
43 | 63 |
44 | 1 |
45 | 40883535 |
46 | 12113640 |
47 | 5530140 |
48 | 4074840 |
[1,3,1,21,9,1,231,84,27,18,1,3465,1155,630,210, 135,30,1,65835,20790,10395,4410,3465,3780,405,420, 405,45,1,1514205,460845,218295,169785,72765,72765, 30870,19845,8085,13230,2835,735,945,63,1,40883535, 12113640,5530140,4074840] |