n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 36 |
5 | 1288 |
6 | 3732552 |
7 | 13845944773136 |
8 | 431339599553022278260254864 |
9 | 184905369551724915055273665254253822188651964997391392 |
[1,2,4,36,1288,3732552,13845944773136, 431339599553022278260254864, 18490536955172491505527366525425382218865196499739\ 1392] |