n | a(n) |
---|---|
5 | 1 |
6 | 21 |
7 | 378 |
8 | 6930 |
9 | 135135 |
10 | 2837835 |
11 | 64324260 |
12 | 1571349780 |
13 | 41247931725 |
14 | 1159525191825 |
15 | 34785755754750 |
16 | 1109981842719750 |
17 | 37554385678684875 |
18 | 1343291487737574375 |
19 | 50661278966102805000 |
20 | 2009564065655411265000 |
21 | 83648104232906493905625 |
22 | 3646073249210806587298125 |
[1,21,378,6930,135135,2837835,64324260,1571349780, 41247931725,1159525191825,34785755754750, 1109981842719750,37554385678684875, 1343291487737574375,50661278966102805000, 2009564065655411265000,83648104232906493905625, 3646073249210806587298125] |