n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 140 |
4 | 7940 |
5 | 903332 |
6 | 221410052 |
7 | 120864516084 |
8 | 149656305350148 |
9 | 425051698921207676 |
10 | 2789532529161418879776 |
11 | 42518582519087835706922360 |
12 | 1510724712014268724836823960708 |
13 | 125472358126936901810932026644960976 |
[0,4,140,7940,903332,221410052,120864516084, 149656305350148,425051698921207676, 2789532529161418879776,42518582519087835706922360, 1510724712014268724836823960708, 125472358126936901810932026644960976] |