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A157148 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	8
5	1
6	1
7	33
8	33
9	1
10	1
11	112
12	394
13	112
14	1
15	1
16	353
17	3150
18	3150
19	353
20	1
21	1
22	1080
23	20719
24	51192
25	20719
26	1080
27	1
28	1
29	3265
30	122535
31	620415
32	620415
33	122535
34	3265
35	1
36	1
37	9824
38	681040
39	6312360
40	12805614
41	6312360
42	681040
43	9824
44	1
45	1
46	29505
47	3643980
48	57451300
49	209503086
50	209503086
51	57451300
52	3643980
53	29505
54	1

[1,1,1,1,8,1,1,33,33,1,1,112,394,112,1,1,353,3150, 3150,353,1,1,1080,20719,51192,20719,1080,1,1,3265, 122535,620415,620415,122535,3265,1,1,9824,681040, 6312360,12805614,6312360,681040,9824,1,1,29505, 3643980,57451300,209503086,209503086,57451300, 3643980,29505,1]