n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 18 |
3 | 300 |
4 | 7350 |
5 | 238140 |
6 | 9604980 |
7 | 463783320 |
8 | 26087811750 |
9 | 1675417243500 |
10 | 120965124980700 |
11 | 9699203657543400 |
12 | 855146455806743100 |
13 | 82225620750648375000 |
14 | 8563211075317523625000 |
15 | 960221401912271649150000 |
16 | 115346595904711631854143750 |
17 | 14777934463556584363430887500 |
[1,2,18,300,7350,238140,9604980,463783320, 26087811750,1675417243500,120965124980700, 9699203657543400,855146455806743100, 82225620750648375000,8563211075317523625000, 960221401912271649150000, 115346595904711631854143750, 14777934463556584363430887500] |