A157407 - OEIS

A157407 as a simple table

n	a(n)
0	0
1	1
2	4
3	2
4	21
5	6
6	3
7	156
8	32
9	12
10	8
11	4
12	1555
13	260
14	50
15	45
16	15
17	10
18	5
19	19608
20	2802
21	408
22	114
23	402
24	66
25	24
26	60
27	18
28	12
29	6
30	299593
31	37450
32	4690
33	658
34	4683
35	595
36	147
37	91
38	588
39	84
40	28
41	77
42	21
43	14
44	7

[0,1,4,2,21,6,3,156,32,12,8,4,1555,260,50,45,15, 10,5,19608,2802,408,114,402,66,24,60,18,12,6, 299593,37450,4690,658,4683,595,147,91,588,84,28, 77,21,14,7]