n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 4 |
4 | 108 |
5 | 12672 |
6 | 9158400 |
7 | 46133452800 |
8 | 1860226228224000 |
9 | 675033837113180160000 |
10 | 2449564623049780415692800000 |
11 | 97778774486746890792389836800000000 |
12 | 46836189690981206780971946461888512000000000 |
13 | 291649927271171583734813938085106400257638400000000000 |
[1,0,1,4,108,12672,9158400,46133452800, 1860226228224000,675033837113180160000, 2449564623049780415692800000, 97778774486746890792389836800000000, 46836189690981206780971946461888512000000000, 29164992727117158373481393808510640025763840000000\ 0000] |