A117380 - OEIS

A117380 as a simple table

n	a(n)
0	1
1	4
2	1
3	20
4	5
5	1
6	104
7	26
8	6
9	1
10	548
11	137
12	33
13	7
14	1
15	2904
16	726
17	178
18	41
19	8
20	1
21	15432
22	3858
23	954
24	228
25	50
26	9
27	1
28	82128
29	20532
30	5100
31	1242
32	288
33	60
34	10
35	1
36	437444
37	109361
38	27233
39	6701
40	1601
41	359
42	71
43	11
44	1
45	2331128
46	582782
47	145338
48	35977
49	8744
50	2043
51	442
52	83
53	12

[1,4,1,20,5,1,104,26,6,1,548,137,33,7,1,2904,726, 178,41,8,1,15432,3858,954,228,50,9,1,82128,20532, 5100,1242,288,60,10,1,437444,109361,27233,6701, 1601,359,71,11,1,2331128,582782,145338,35977,8744, 2043,442,83,12]