n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 1 |
9 | 1 |
10 | 10 |
11 | 11 |
12 | 66 |
13 | 78 |
14 | 364 |
15 | 455 |
16 | 1820 |
17 | 2380 |
18 | 8568 |
19 | 11628 |
20 | 38760 |
21 | 54264 |
22 | 170544 |
23 | 245157 |
24 | 735471 |
25 | 1081575 |
26 | 3124550 |
27 | 4686825 |
28 | 13123110 |
29 | 20030010 |
30 | 54627300 |
31 | 84672315 |
32 | 225792840 |
[0,0,0,0,0,0,0,0,1,1,10,11,66,78,364,455,1820, 2380,8568,11628,38760,54264,170544,245157,735471, 1081575,3124550,4686825,13123110,20030010, 54627300,84672315,225792840] |