A146935 - OEIS

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A146935 as a simple table

n	a(n)
1	1
2	1
3	1
4	3
5	1
6	5
7	1
8	10
9	7
10	62
11	25
12	420
13	89
14	3595
15	559
16	35290
17	4332
18	459986
19	47525
20	9058999
21	720844
22	232457113
23	13515353
24	7854920994
25	345530332
26	353173272787
27	11945906159
28	21075055556569
29	546900316419

[1,1,1,3,1,5,1,10,7,62,25,420,89,3595,559,35290, 4332,459986,47525,9058999,720844,232457113, 13515353,7854920994,345530332,353173272787, 11945906159,21075055556569,546900316419]