A210715 - OEIS

A210715 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	1
12	1
13	1
14	1
15	2
16	2
17	3
18	3
19	4
20	6
21	6
22	9
23	9
24	22
25	13
26	82
27	18
28	618
29	26
30	7164
31	36
32	107862
33	50
34	1876730
35	70
36	35924810
37	95
38	741405213
39	131
40	16356067216
41	323
42	383931367731
43	132977

[0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,2,2,3,3,4,6,6,9,9, 22,13,82,18,618,26,7164,36,107862,50,1876730,70, 35924810,95,741405213,131,16356067216,323, 383931367731,132977]