A144417 - OEIS

A144417 as a simple table

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	3
8	1
9	0
10	1
11	6
12	7
13	0
14	0
15	1
16	10
17	25
18	10
19	0
20	0
21	1
22	15
23	65
24	75
25	10
26	0
27	0
28	1
29	21
30	140
31	315
32	175
33	0
34	0
35	0
36	1
37	28
38	266
39	980
40	1225
41	280
42	0
43	0
44	0
45	1
46	36
47	462
48	2520
49	5565
50	3780
51	280
52	0
53	0
54	0
55	1
56	45
57	750
58	5670
59	19425
60	26145
61	9100
62	0
63	0
64	0
65	0
66	1
67	55

[1,1,0,1,1,0,1,3,1,0,1,6,7,0,0,1,10,25,10,0,0,1, 15,65,75,10,0,0,1,21,140,315,175,0,0,0,1,28,266, 980,1225,280,0,0,0,1,36,462,2520,5565,3780,280,0, 0,0,1,45,750,5670,19425,26145,9100,0,0,0,0,1,55]