n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 120 |
3 | 1856 |
4 | 28736 |
5 | 444928 |
6 | 6888960 |
7 | 106663936 |
8 | 1651511296 |
9 | 25570869248 |
10 | 395921817600 |
11 | 6130182127616 |
12 | 94915539501056 |
13 | 1469607174995968 |
14 | 22754390483927040 |
15 | 352313390342864896 |
16 | 5454979121614422016 |
[1,8,120,1856,28736,444928,6888960,106663936, 1651511296,25570869248,395921817600,6130182127616, 94915539501056,1469607174995968,22754390483927040, 352313390342864896,5454979121614422016] |