n | a(n) |
---|---|
0 | 1 |
1 | 20 |
2 | 257 |
3 | 2704 |
4 | 25389 |
5 | 221676 |
6 | 1841449 |
7 | 14758568 |
8 | 115171397 |
9 | 880623172 |
10 | 6627177921 |
11 | 49248518592 |
12 | 362296167325 |
13 | 2643446894108 |
14 | 19158543110873 |
15 | 138087153497176 |
16 | 990728497913973 |
17 | 7081081591668084 |
[1,20,257,2704,25389,221676,1841449,14758568, 115171397,880623172,6627177921,49248518592, 362296167325,2643446894108,19158543110873, 138087153497176,990728497913973,7081081591668084] |