A139214 - OEIS

A139214 as a simple table

n	a(n)
1	1
2	0
3	1
4	3
5	0
6	3
7	8
8	0
9	7
10	18
11	0
12	15
13	38
14	0
15	30
16	75
17	0
18	57
19	140
20	0
21	104
22	252
23	0
24	183
25	439
26	0
27	313
28	744
29	0
30	522
31	1232
32	0
33	852
34	1998
35	0
36	1365
37	3182
38	0
39	2150
40	4986
41	0
42	3336
43	7700
44	0
45	5106
46	11736
47	0
48	7719
49	17673
50	0
51	11538
52	26322
53	0
54	17067
55	38808
56	0
57	25004
58	56682
59	0

[1,0,1,3,0,3,8,0,7,18,0,15,38,0,30,75,0,57,140,0, 104,252,0,183,439,0,313,744,0,522,1232,0,852,1998, 0,1365,3182,0,2150,4986,0,3336,7700,0,5106,11736, 0,7719,17673,0,11538,26322,0,17067,38808,0,25004, 56682,0]