n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | -2 |
6 | 2 |
7 | 2 |
8 | 9 |
9 | -6 |
10 | 6 |
11 | 9 |
12 | -28 |
13 | 12 |
14 | -24 |
15 | 24 |
16 | 44 |
17 | 185 |
18 | 100 |
19 | 60 |
20 | -120 |
21 | 120 |
22 | 265 |
23 | -846 |
24 | -690 |
25 | -120 |
26 | 360 |
27 | -720 |
28 | 720 |
29 | 1854 |
30 | 7777 |
31 | 2478 |
32 | 5250 |
33 | -840 |
34 | 2520 |
35 | -5040 |
36 | 5040 |
37 | 14833 |
38 | -47384 |
39 | 33656 |
40 | -40656 |
41 | 1680 |
42 | -6720 |
43 | 20160 |
44 | -40320 |
45 | 40320 |
46 | 133496 |
47 | 559953 |
48 | -347832 |
49 | 181944 |
50 | 359856 |
51 | 15120 |
52 | -60480 |
53 | 181440 |
54 | -362880 |
55 | 362880 |
[1,0,1,1,-2,2,2,9,-6,6,9,-28,12,-24,24,44,185,100, 60,-120,120,265,-846,-690,-120,360,-720,720,1854, 7777,2478,5250,-840,2520,-5040,5040,14833,-47384, 33656,-40656,1680,-6720,20160,-40320,40320,133496, 559953,-347832,181944,359856,15120,-60480,181440, -362880,362880] |