n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 23 |
6 | 158 |
7 | 2021 |
8 | 40415 |
9 | 1513724 |
10 | 89901329 |
11 | 10021444493 |
12 | 1779549303200 |
13 | 593535825170357 |
14 | 315835356239140757 |
15 | 315745107820598835194 |
16 | 503859317773076207957705 |
17 | 1510702921925354866376968691 |
18 | 7231341194731242966764145947126 |
[0,1,1,2,5,23,158,2021,40415,1513724,89901329, 10021444493,1779549303200,593535825170357, 315835356239140757,315745107820598835194, 503859317773076207957705, 1510702921925354866376968691, 7231341194731242966764145947126] |