A346743 - OEIS

A346743 as a simple table

n	a(n)
1	1
2	1
3	3
4	2
5	1
6	21
7	56
8	42
9	0
10	0
11	48
12	1
13	315
14	1232
15	3780
16	1344
17	5040
18	5760
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	2688
27	1
28	6975
29	75392
30	416640
31	666624
32	1249920
33	476160
34	624960
35	0
36	0
37	0
38	833280
39	0
40	1428480
41	1333248
42	0
43	0
44	0
45	0
46	0
47	952320
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	1935360

[1,1,3,2,1,21,56,42,0,0,48,1,315,1232,3780,1344, 5040,5760,0,0,0,0,0,0,0,2688,1,6975,75392,416640, 666624,1249920,476160,624960,0,0,0,833280,0, 1428480,1333248,0,0,0,0,0,952320,0,0,0,0,0,0,0,0, 0,1935360]