A238475 - OEIS

A238475 as a simple table

n	a(n)
1	1
2	9
3	5
4	17
5	37
6	21
7	25
8	69
9	149
10	85
11	33
12	101
13	277
14	597
15	341
16	41
17	133
18	405
19	1109
20	2389
21	1365
22	49
23	165
24	533
25	1621
26	4437
27	9557
28	5461
29	57
30	197
31	661
32	2133
33	6485
34	17749
35	38229
36	21845
37	65
38	229
39	789
40	2645
41	8533
42	25941
43	70997
44	152917
45	87381

[1,9,5,17,37,21,25,69,149,85,33,101,277,597,341, 41,133,405,1109,2389,1365,49,165,533,1621,4437, 9557,5461,57,197,661,2133,6485,17749,38229,21845, 65,229,789,2645,8533,25941,70997,152917,87381]