A004872 - OEIS

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A004872 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	128
13	129
14	130
15	131
16	132
17	133
18	134
19	135
20	136
21	137
22	256
23	257
24	258
25	259
26	260
27	261
28	262
29	263
30	264
31	384
32	385
33	386
34	387
35	388
36	389
37	390
38	391
39	512
40	513
41	514
42	515
43	516
44	517
45	518
46	640
47	641
48	642
49	643
50	644
51	645
52	768
53	769
54	770
55	771
56	772

[0,1,2,3,4,5,6,7,8,9,10,128,129,130,131,132,133, 134,135,136,137,256,257,258,259,260,261,262,263, 264,384,385,386,387,388,389,390,391,512,513,514, 515,516,517,518,640,641,642,643,644,645,768,769, 770,771,772]

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	128
13	129
14	130
15	131
16	132
17	133
18	134
19	135
20	136
21	137
22	256
23	257
24	258
25	259
26	260
27	261
28	262
29	263
30	264
31	384
32	385
33	386
34	387
35	388
36	389
37	390
38	391
39	512
40	513
41	514
42	515
43	516
44	517
45	518
46	640
47	641
48	642
49	643
50	644
51	645
52	768
53	769
54	770
55	771
56	772

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	128
13	129
14	130
15	131
16	132
17	133
18	134
19	135
20	136
21	137
22	256
23	257
24	258
25	259
26	260
27	261
28	262
29	263
30	264
31	384
32	385
33	386
34	387
35	388
36	389
37	390
38	391
39	512
40	513
41	514
42	515
43	516
44	517
45	518
46	640
47	641
48	642
49	643
50	644
51	645
52	768
53	769
54	770
55	771
56	772

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	128
13	129
14	130
15	131
16	132
17	133
18	134
19	135
20	136
21	137
22	256
23	257
24	258
25	259
26	260
27	261
28	262
29	263
30	264
31	384
32	385
33	386
34	387
35	388
36	389
37	390
38	391
39	512
40	513
41	514
42	515
43	516
44	517
45	518
46	640
47	641
48	642
49	643
50	644
51	645
52	768
53	769
54	770
55	771
56	772