Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | -1 |
5 | 2 |
6 | 0 |
7 | 4 |
8 | -8 |
9 | 6 |
10 | 0 |
11 | -36 |
12 | 72 |
13 | -60 |
14 | 24 |
15 | 0 |
16 | 600 |
17 | -1200 |
18 | 1020 |
19 | -480 |
20 | 120 |
21 | 0 |
22 | -16584 |
23 | 33168 |
24 | -28320 |
25 | 13776 |
26 | -4200 |
27 | 720 |
28 | 0 |
29 | 705600 |
30 | -1411200 |
31 | 1206240 |
32 | -591360 |
33 | 188160 |
34 | -40320 |
35 | 5040 |
36 | 0 |
37 | -43751232 |
38 | 87502464 |
39 | -74813760 |
40 | 36747648 |
41 | -11813760 |
42 | 2661120 |
43 | -423360 |
44 | 40320 |
[1,0,1,0,-1,2,0,4,-8,6,0,-36,72,-60,24,0,600, -1200,1020,-480,120,0,-16584,33168,-28320,13776, -4200,720,0,705600,-1411200,1206240,-591360, 188160,-40320,5040,0,-43751232,87502464,-74813760, 36747648,-11813760,2661120,-423360,40320] |