A078831 - OEIS

A078831 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	8
9	9
10	11
11	12
12	13
13	16
14	17
15	19
16	24
17	25
18	32
19	33
20	35
21	48
22	49
23	64
24	65
25	67
26	96
27	97
28	128
29	129
30	131
31	192
32	193
33	256
34	257
35	259
36	384
37	385
38	512
39	513
40	515
41	768
42	769
43	1024
44	1025
45	1027
46	1536
47	1537
48	2048
49	2049
50	2051
51	3072
52	3073
53	4096
54	4097
55	4099
56	6144
57	6145

[0,1,2,3,4,5,6,8,9,11,12,13,16,17,19,24,25,32,33, 35,48,49,64,65,67,96,97,128,129,131,192,193,256, 257,259,384,385,512,513,515,768,769,1024,1025, 1027,1536,1537,2048,2049,2051,3072,3073,4096,4097, 4099,6144,6145]