n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 22 |
3 | 340 |
4 | 6118 |
5 | 120060 |
6 | 2492028 |
7 | 53798888 |
8 | 1195684230 |
9 | 27175425004 |
10 | 628705751828 |
11 | 14756641134872 |
12 | 350529497005532 |
13 | 8410852483002200 |
14 | 203561027031883320 |
15 | 4963404936414528720 |
16 | 121810229481173225670 |
17 | 3006555636255509030220 |
18 | 74585744314812449403300 |
19 | 1858695101618327423328312 |
[1,2,22,340,6118,120060,2492028,53798888, 1195684230,27175425004,628705751828, 14756641134872,350529497005532,8410852483002200, 203561027031883320,4963404936414528720, 121810229481173225670,3006555636255509030220, 74585744314812449403300,1858695101618327423328312] |