n | a(n) |
---|---|
5 | 1 |
6 | 156 |
7 | 15 |
8 | 14196 |
9 | 2730 |
10 | 140 |
11 | 984256 |
12 | 283920 |
13 | 29120 |
14 | 1050 |
15 | 57578976 |
16 | 22145760 |
17 | 3407040 |
18 | 245700 |
19 | 6951 |
20 | 2994106752 |
21 | 1439474400 |
22 | 295276800 |
23 | 31941000 |
24 | 1807260 |
25 | 42525 |
26 | 142719088512 |
27 | 82337935680 |
28 | 21112291200 |
29 | 3045042000 |
30 | 258438180 |
[1,156,15,14196,2730,140,984256,283920,29120,1050, 57578976,22145760,3407040,245700,6951,2994106752, 1439474400,295276800,31941000,1807260,42525, 142719088512,82337935680,21112291200,3045042000, 258438180] |