A095331 - OEIS

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A095331 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	4
10	15
11	14
12	52
13	83
14	199
15	260
16	850
17	1204
18	3435
19	4596
20	13102
21	19095
22	51386
23	72485
24	199933
25	296317
26	777795
27	1152625
28	3017298
29	4571188
30	11663138
31	17768490
32	45124684
33	70038513

[0,0,0,0,0,0,0,1,4,15,14,52,83,199,260,850,1204, 3435,4596,13102,19095,51386,72485,199933,296317, 777795,1152625,3017298,4571188,11663138,17768490, 45124684,70038513]