n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 32 |
4 | 410 |
5 | 7562 |
6 | 188736 |
7 | 6118296 |
8 | 249991926 |
9 | 12575954918 |
10 | 764125698224 |
11 | 55189878377480 |
12 | 4674557178309388 |
13 | 458942541226822876 |
14 | 51705551381013381112 |
15 | 6626012145599584408536 |
16 | 958371653002293850802814 |
[1,1,4,32,410,7562,188736,6118296,249991926, 12575954918,764125698224,55189878377480, 4674557178309388,458942541226822876, 51705551381013381112,6626012145599584408536, 958371653002293850802814] |