A269376 - OEIS

A269376 as a simple table

n	a(n)
1	0
2	1
3	3
4	2
5	5
6	6
7	7
8	4
9	15
10	10
11	13
12	12
13	31
14	14
15	63
16	8
17	9
18	30
19	11
20	20
21	127
22	26
23	21
24	24
25	255
26	62
27	23
28	28
29	25
30	126
31	511
32	16
33	1023
34	18
35	29
36	60
37	2047
38	22
39	27
40	40
41	17
42	254
43	4095
44	52
45	47
46	42
47	61
48	48
49	8191
50	510
51	16383
52	124
53	41
54	46
55	95
56	56
57	55
58	50
59	53
60	252
61	19
62	1022
63	32767
64	32
65	49
66	2046
67	65535
68	36
69	131071
70	58
71	125
72	120

[0,1,3,2,5,6,7,4,15,10,13,12,31,14,63,8,9,30,11, 20,127,26,21,24,255,62,23,28,25,126,511,16,1023, 18,29,60,2047,22,27,40,17,254,4095,52,47,42,61,48, 8191,510,16383,124,41,46,95,56,55,50,53,252,19, 1022,32767,32,49,2046,65535,36,131071,58,125,120]