n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 126 |
3 | 2109 |
4 | 38916 |
5 | 763686 |
6 | 15636192 |
7 | 330237765 |
8 | 7141879503 |
9 | 157366449604 |
10 | 3520256293710 |
11 | 79735912636302 |
12 | 1825080422272800 |
13 | 42148579533938784 |
14 | 980892581545169496 |
15 | 22980848343194476245 |
16 | 541581608172776494554 |
17 | 12829884648994115426295 |
18 | 305349921559399354716430 |
[1,9,126,2109,38916,763686,15636192,330237765, 7141879503,157366449604,3520256293710, 79735912636302,1825080422272800,42148579533938784, 980892581545169496,22980848343194476245, 541581608172776494554,12829884648994115426295, 305349921559399354716430] |