n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 99 |
4 | 4308 |
5 | 283575 |
6 | 25673506 |
7 | 3037201300 |
8 | 454292561764 |
9 | 83892724766919 |
10 | 18770366957242024 |
11 | 5009355553568692667 |
12 | 1573355916010921955326 |
13 | 574838333958720246640420 |
14 | 241825797204483146358016660 |
15 | 116088470252288250153307625160 |
[1,1,4,99,4308,283575,25673506,3037201300, 454292561764,83892724766919,18770366957242024, 5009355553568692667,1573355916010921955326, 574838333958720246640420, 241825797204483146358016660, 116088470252288250153307625160] |