n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 64 |
5 | 665 |
6 | 9366 |
7 | 170618 |
8 | 3885120 |
9 | 107728587 |
10 | 3563482900 |
11 | 138299564425 |
12 | 6211739264688 |
13 | 319190842232028 |
14 | 18581124650376484 |
15 | 1215078306042445710 |
16 | 88602560159713837728 |
17 | 7157866087368900148345 |
18 | 636974235270930297047526 |
[1,1,2,9,64,665,9366,170618,3885120,107728587, 3563482900,138299564425,6211739264688, 319190842232028,18581124650376484, 1215078306042445710,88602560159713837728, 7157866087368900148345,636974235270930297047526] |