n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 9 |
3 | 108 |
4 | 1569 |
5 | 20230 |
6 | 229203 |
7 | 2278745 |
8 | 21214753 |
9 | 192899244 |
10 | 1741242069 |
11 | 15684465423 |
12 | 141196229849 |
13 | 1270871708340 |
14 | 11438182427193 |
15 | 102944790695746 |
16 | 926507214592705 |
17 | 8338579980466304 |
18 | 75047276148618205 |
19 | 675425698975426255 |
20 | 6078832109331582297 |
[1,0,9,108,1569,20230,229203,2278745,21214753, 192899244,1741242069,15684465423,141196229849, 1270871708340,11438182427193,102944790695746, 926507214592705,8338579980466304, 75047276148618205,675425698975426255, 6078832109331582297] |