A157152 - OEIS

A157152 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	7
8	7
9	1
10	1
11	15
12	30
13	15
14	1
15	1
16	31
17	108
18	108
19	31
20	1
21	1
22	63
23	359
24	594
25	359
26	63
27	1
28	1
29	127
30	1145
31	2875
32	2875
33	1145
34	127
35	1
36	1
37	255
38	3568
39	12985
40	19246
41	12985
42	3568
43	255
44	1
45	1
46	511
47	10966
48	56306
49	116640
50	116640
51	56306
52	10966
53	511
54	1

[1,1,1,1,3,1,1,7,7,1,1,15,30,15,1,1,31,108,108,31, 1,1,63,359,594,359,63,1,1,127,1145,2875,2875,1145, 127,1,1,255,3568,12985,19246,12985,3568,255,1,1, 511,10966,56306,116640,116640,56306,10966,511,1]