n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 72 |
3 | 1008 |
4 | 10746 |
5 | 130896 |
6 | 1569456 |
7 | 17371584 |
8 | 192625128 |
9 | 2260005462 |
10 | 24725148912 |
11 | 270748885392 |
12 | 3027318848208 |
13 | 32608207056528 |
14 | 354309508944288 |
15 | 3902606972751168 |
16 | 41393526342215994 |
17 | 443390745816982944 |
18 | 4783687280410092984 |
19 | 50532141192366275280 |
[1,6,72,1008,10746,130896,1569456,17371584, 192625128,2260005462,24725148912,270748885392, 3027318848208,32608207056528,354309508944288, 3902606972751168,41393526342215994, 443390745816982944,4783687280410092984, 50532141192366275280] |