n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 6 |
6 | 29 |
7 | 604 |
8 | 69724 |
9 | 49836144 |
10 | 250872492816 |
11 | 10113420362487552 |
12 | 3669877057922582621184 |
13 | 13317216838086531218401935360 |
14 | 531580547910000731718546175028428800 |
15 | 254627927130379381409123944181515703549952000 |
[0,0,1,2,3,6,29,604,69724,49836144,250872492816, 10113420362487552,3669877057922582621184, 13317216838086531218401935360, 531580547910000731718546175028428800, 254627927130379381409123944181515703549952000] |