A175624 - OEIS

A175624 as a simple table

n	a(n)
1	1
2	2
3	6
4	24
5	50
6	48
7	0
8	0
9	210
10	120
11	352
12	168
13	0
14	0
15	800
16	288
17	1122
18	360
19	0
20	0
21	2002
22	528
23	0
24	0
25	0
26	0
27	4032
28	840
29	4930
30	960
31	0
32	0
33	0
34	0
35	8400
36	1368
37	0
38	0
39	11440
40	1680
41	13202
42	1848
43	0
44	0
45	17250
46	2208
47	0
48	0
49	0
50	0
51	24752
52	2808
53	0
54	0
55	0
56	0
57	34162
58	3480
59	37760
60	3720
61	0
62	0
63	0
64	0

[1,2,6,24,50,48,0,0,210,120,352,168,0,0,800,288, 1122,360,0,0,2002,528,0,0,0,0,4032,840,4930,960,0, 0,0,0,8400,1368,0,0,11440,1680,13202,1848,0,0, 17250,2208,0,0,0,0,24752,2808,0,0,0,0,34162,3480, 37760,3720,0,0,0,0]