A146938 - OEIS

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A146938 as a simple table

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	4
11	1
12	6
13	3
14	13
15	7
16	38
17	14
18	126
19	39
20	447
21	110
22	1805
23	377
24	8300
25	1728
26	44775
27	8445
28	290627
29	46261
30	2170182

[1,1,1,1,1,1,1,2,1,4,1,6,3,13,7,38,14,126,39,447, 110,1805,377,8300,1728,44775,8445,290627,46261, 2170182]