A168552 - OEIS

A168552 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	11
8	11
9	1
10	1
11	43
12	140
13	43
14	1
15	1
16	159
17	1244
18	1244
19	159
20	1
21	1
22	551
23	8779
24	19954
25	8779
26	551
27	1
28	1
29	1819
30	54249
31	236347
32	236347
33	54249
34	1819
35	1
36	1
37	5811
38	309742
39	2353021
40	4440834
41	2353021
42	309742
43	5811
44	1
45	1
46	18167
47	1684634
48	21025310
49	67447952
50	67447952
51	21025310
52	1684634
53	18167
54	1

[1,1,1,1,3,1,1,11,11,1,1,43,140,43,1,1,159,1244, 1244,159,1,1,551,8779,19954,8779,551,1,1,1819, 54249,236347,236347,54249,1819,1,1,5811,309742, 2353021,4440834,2353021,309742,5811,1,1,18167, 1684634,21025310,67447952,67447952,21025310, 1684634,18167,1]