n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 2 |
6 | 4 |
7 | 12 |
8 | 108 |
9 | 10584 |
10 | 27454896 |
11 | 94148851006224 |
12 | 246222177535609206635748240 |
13 | 62371770277951054762478578990896212287188931341600 |
14 | 3750595553941161278345366267513070968239986992860645038477600300348697171928615364721752014400 |
[1,1,1,1,1,2,4,12,108,10584,27454896, 94148851006224,246222177535609206635748240, 62371770277951054762478578990896212287188931341600\ , 37505955539411612783453662675130709682399869928606\ 45038477600300348697171928615364721752014400] |