n | a(n) |
---|---|
0 | 1 |
1 | 15 |
2 | 135 |
3 | 1265 |
4 | 11945 |
5 | 112969 |
6 | 1068723 |
7 | 10111095 |
8 | 95661377 |
9 | 905057497 |
10 | 8562802623 |
11 | 81013191559 |
12 | 766470702689 |
13 | 7251625683041 |
14 | 68608069306975 |
15 | 649105094579799 |
16 | 6141222571633425 |
17 | 58102478303643985 |
18 | 549711062520950431 |
[1,15,135,1265,11945,112969,1068723,10111095, 95661377,905057497,8562802623,81013191559, 766470702689,7251625683041,68608069306975, 649105094579799,6141222571633425, 58102478303643985,549711062520950431] |