A393390 - OEIS

A393390 as a simple table

n	a(n)
1	1
2	2
3	1
4	6
5	4
6	1
7	19
8	28
9	4
10	1
11	63
12	234
13	28
14	4
15	1
16	216
17	2162
18	234
19	28
20	4
21	1
22	760
23	20972
24	2162
25	234
26	28
27	4
28	1
29	2725
30	209608
31	21272
32	2162
33	234
34	28
35	4
36	1
37	9910
38	2135572
39	218740
40	21272
41	2162
42	234
43	28
44	4
45	1
46	36446
47	22049959
48	2323730
49	218740
50	21272
51	2162
52	234
53	28
54	4
55	1

[1,2,1,6,4,1,19,28,4,1,63,234,28,4,1,216,2162,234, 28,4,1,760,20972,2162,234,28,4,1,2725,209608, 21272,2162,234,28,4,1,9910,2135572,218740,21272, 2162,234,28,4,1,36446,22049959,2323730,218740, 21272,2162,234,28,4,1]