A239126 - OEIS

A239126 as a simple table

n	a(n)
1	3
2	7
3	7
4	11
5	15
6	15
7	15
8	23
9	31
10	31
11	19
12	31
13	47
14	63
15	63
16	23
17	39
18	63
19	95
20	127
21	127
22	27
23	47
24	79
25	127
26	191
27	255
28	255
29	31
30	55
31	95
32	159
33	255
34	383
35	511
36	511
37	35
38	63
39	111
40	191
41	319
42	511
43	767
44	1023
45	1023
46	39
47	71
48	127
49	223
50	383
51	639
52	1023
53	1535
54	2047
55	2047

[3,7,7,11,15,15,15,23,31,31,19,31,47,63,63,23,39, 63,95,127,127,27,47,79,127,191,255,255,31,55,95, 159,255,383,511,511,35,63,111,191,319,511,767, 1023,1023,39,71,127,223,383,639,1023,1535,2047, 2047]