n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 20 |
4 | 152 |
5 | 2542 |
6 | 100326 |
7 | 10194844 |
8 | 2809233510 |
9 | 2212797607312 |
10 | 5359196565766782 |
11 | 39928779843430949176 |
12 | 1018129474625651322506886 |
13 | 85890171235256453902613870992 |
14 | 26477529277143069417959927152215342 |
[1,2,5,20,152,2542,100326,10194844,2809233510, 2212797607312,5359196565766782, 39928779843430949176,1018129474625651322506886, 85890171235256453902613870992, 26477529277143069417959927152215342] |