n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 34 |
4 | 360 |
5 | 4239 |
6 | 53148 |
7 | 694582 |
8 | 9348664 |
9 | 128625067 |
10 | 1800131564 |
11 | 25538105486 |
12 | 366348201176 |
13 | 5304067812296 |
14 | 77394671803040 |
15 | 1136872705730600 |
16 | 16796605751564320 |
17 | 249415741237963837 |
[1,4,34,360,4239,53148,694582,9348664,128625067, 1800131564,25538105486,366348201176,5304067812296, 77394671803040,1136872705730600,16796605751564320, 249415741237963837] |