A202995 - OEIS

A202995 as a simple table

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	0
8	10
9	6
10	1
11	-4
12	30
13	40
14	10
15	1
16	0
17	36
18	270
19	110
20	15
21	1
22	120
23	-420
24	1596
25	1260
26	245
27	21
28	1
29	0
30	-2400
31	5040
32	14056
33	4200
34	476
35	28
36	1
37	-12096
38	30240
39	-46080
40	136080
41	72576
42	11340
43	840
44	36
45	1
46	0
47	423360
48	-756000
49	795600
50	1197000
51	276192
52	26460
53	1380
54	45
55	1

[1,1,1,1,3,1,0,10,6,1,-4,30,40,10,1,0,36,270,110, 15,1,120,-420,1596,1260,245,21,1,0,-2400,5040, 14056,4200,476,28,1,-12096,30240,-46080,136080, 72576,11340,840,36,1,0,423360,-756000,795600, 1197000,276192,26460,1380,45,1]