n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 30 |
7 | 390 |
8 | 32370 |
9 | 81022110 |
10 | 79098077953830 |
11 | 2499603048957386233742790 |
12 | 6399996109983215106481566902449146981585570 |
13 | 1296147136591533261616288032775924136752630487513536584267056282299509616710 |
[1,1,1,1,2,6,30,390,32370,81022110,79098077953830, 2499603048957386233742790, 6399996109983215106481566902449146981585570, 12961471365915332616162880327759241367526304875135\ 36584267056282299509616710] |