n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 1 |
9 | 9 |
10 | 10 |
11 | 55 |
12 | 66 |
13 | 286 |
14 | 364 |
15 | 1365 |
16 | 1820 |
17 | 6188 |
18 | 8568 |
19 | 27132 |
20 | 38760 |
21 | 116280 |
22 | 170544 |
23 | 490314 |
24 | 735471 |
25 | 2042975 |
26 | 3124550 |
27 | 8436285 |
28 | 13123110 |
29 | 34597290 |
30 | 54627300 |
31 | 141120525 |
32 | 225792840 |
[0,0,0,0,0,0,0,1,1,9,10,55,66,286,364,1365,1820, 6188,8568,27132,38760,116280,170544,490314,735471, 2042975,3124550,8436285,13123110,34597290, 54627300,141120525,225792840] |