n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 9 |
5 | 45 |
6 | 135 |
7 | 315 |
8 | 630 |
9 | 1134 |
10 | 1890 |
11 | 2970 |
12 | 4455 |
13 | 6435 |
14 | 9009 |
15 | 12285 |
16 | 16380 |
17 | 21420 |
18 | 27540 |
19 | 34884 |
20 | 43605 |
21 | 53865 |
22 | 65835 |
23 | 79695 |
24 | 95634 |
25 | 113850 |
26 | 134550 |
27 | 157950 |
28 | 184275 |
29 | 213759 |
30 | 246645 |
31 | 283185 |
32 | 323640 |
33 | 368280 |
34 | 417384 |
35 | 471240 |
36 | 530145 |
37 | 594405 |
[0,0,0,0,9,45,135,315,630,1134,1890,2970,4455, 6435,9009,12285,16380,21420,27540,34884,43605, 53865,65835,79695,95634,113850,134550,157950, 184275,213759,246645,283185,323640,368280,417384, 471240,530145,594405] |