A034422 - OEIS

A034422 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	1
22	0
23	2
24	2
25	6
26	6
27	15
28	18
29	38
30	50
31	91
32	126
33	217
34	304
35	499
36	717
37	1134
38	1639
39	2537
40	3683
41	5609
42	8162
43	12269
44	17882
45	26660
46	38858
47	57578
48	84001
49	123965
50	180992
51	266561
52	389774

[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,2,2, 6,6,15,18,38,50,91,126,217,304,499,717,1134,1639, 2537,3683,5609,8162,12269,17882,26660,38858,57578, 84001,123965,180992,266561,389774]