n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 2 |
4 | 2 |
5 | -6 |
6 | 6 |
7 | 0 |
8 | 24 |
9 | -24 |
10 | 24 |
11 | 9 |
12 | -80 |
13 | 60 |
14 | -120 |
15 | 120 |
16 | 35 |
17 | 450 |
18 | 240 |
19 | 360 |
20 | -720 |
21 | 720 |
22 | 230 |
23 | -2142 |
24 | -2310 |
25 | -840 |
26 | 2520 |
27 | -5040 |
28 | 5040 |
29 | 1624 |
30 | 17696 |
31 | 9744 |
32 | 21840 |
33 | -6720 |
34 | 20160 |
35 | -40320 |
36 | 40320 |
37 | 13209 |
38 | -112464 |
39 | 91224 |
40 | -184464 |
41 | 15120 |
42 | -60480 |
43 | 181440 |
44 | -362880 |
45 | 362880 |
[1,-1,2,2,-6,6,0,24,-24,24,9,-80,60,-120,120,35, 450,240,360,-720,720,230,-2142,-2310,-840,2520, -5040,5040,1624,17696,9744,21840,-6720,20160, -40320,40320,13209,-112464,91224,-184464,15120, -60480,181440,-362880,362880] |