n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 27 |
3 | 325 |
4 | 4488 |
5 | 67158 |
6 | 1059380 |
7 | 17346582 |
8 | 292046040 |
9 | 5023824887 |
10 | 87915626370 |
11 | 1560176040519 |
12 | 28011228029512 |
13 | 507874087572600 |
14 | 9286024289123268 |
15 | 171026036066072924 |
16 | 3169969149156895800 |
17 | 59085490354010508600 |
18 | 1106795192170066119435 |
[1,3,27,325,4488,67158,1059380,17346582,292046040, 5023824887,87915626370,1560176040519, 28011228029512,507874087572600,9286024289123268, 171026036066072924,3169969149156895800, 59085490354010508600,1106795192170066119435] |