n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 67 |
4 | 1345 |
5 | 42540 |
6 | 1954681 |
7 | 123179785 |
8 | 10202958366 |
9 | 1075213876195 |
10 | 140503060278001 |
11 | 22298495343474372 |
12 | 4224949686497139601 |
13 | 942067522308032112721 |
14 | 244201603555824428994486 |
15 | 72820161285112813781838787 |
16 | 24752401241200431437146873345 |
[1,1,6,67,1345,42540,1954681,123179785, 10202958366,1075213876195,140503060278001, 22298495343474372,4224949686497139601, 942067522308032112721,244201603555824428994486, 72820161285112813781838787, 24752401241200431437146873345] |