Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | -3 |
4 | 0 |
5 | -10 |
6 | 90 |
7 | -308 |
8 | 1680 |
9 | -13560 |
10 | 123480 |
11 | -788568 |
12 | 7646760 |
13 | -76432720 |
14 | 841320480 |
15 | -8436217208 |
16 | 103473901440 |
17 | -1320024546240 |
18 | 17546621595840 |
19 | -235942960528128 |
20 | 3481689023521920 |
21 | -54132188358133120 |
22 | 858287202343992960 |
23 | -14187715233218409728 |
[1,0,0,-3,0,-10,90,-308,1680,-13560,123480, -788568,7646760,-76432720,841320480,-8436217208, 103473901440,-1320024546240,17546621595840, -235942960528128,3481689023521920, -54132188358133120,858287202343992960, -14187715233218409728] |