n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 9 |
3 | 127 |
4 | 2280 |
5 | 46262 |
6 | 1015691 |
7 | 23541165 |
8 | 567852809 |
9 | 14123231487 |
10 | 359874480333 |
11 | 9351900623083 |
12 | 247006639629275 |
13 | 6613877399621729 |
14 | 179171447281396640 |
15 | 4902895256737984134 |
16 | 135346525073067516814 |
17 | 3765244155890019687101 |
18 | 105465364199865165010867 |
[1,1,9,127,2280,46262,1015691,23541165,567852809, 14123231487,359874480333,9351900623083, 247006639629275,6613877399621729, 179171447281396640,4902895256737984134, 135346525073067516814,3765244155890019687101, 105465364199865165010867] |