A298610 - OEIS

A298610 as a simple table

n	a(n)
0	1
1	0
2	1
3	2
4	0
5	3
6	0
7	12
8	0
9	10
10	10
11	0
12	60
13	0
14	35
15	0
16	105
17	0
18	280
19	0
20	126
21	56
22	0
23	756
24	0
25	1260
26	0
27	462
28	0
29	840
30	0
31	4620
32	0
33	5544
34	0
35	1716
36	330
37	0
38	7920
39	0
40	25740
41	0
42	24024
43	0
44	6435
45	0
46	6435
47	0
48	60060
49	0
50	135135
51	0
52	102960
53	0
54	24310

[1,0,1,2,0,3,0,12,0,10,10,0,60,0,35,0,105,0,280,0, 126,56,0,756,0,1260,0,462,0,840,0,4620,0,5544,0, 1716,330,0,7920,0,25740,0,24024,0,6435,0,6435,0, 60060,0,135135,0,102960,0,24310]