A209860 - OEIS

A209860 as a simple table

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	13
12	14
13	15
14	16
15	17
16	18
17	29
18	30
19	31
20	32
21	33
22	34
23	61
24	62
25	63
26	64
27	65
28	66
29	73
30	118
31	125
32	126
33	127
34	128
35	129
36	130
37	148
38	235
39	253
40	254
41	255
42	256
43	257
44	258
45	274
46	493
47	509
48	510
49	511
50	512
51	513
52	514
53	651
54	689
55	710
56	825
57	846
58	884
59	1021
60	1022
61	1023
62	1024
63	1025
64	1026
65	1097
66	1974
67	2045
68	2046
69	2047
70	2048
71	2049

[0,1,2,3,4,5,6,7,8,9,10,13,14,15,16,17,18,29,30, 31,32,33,34,61,62,63,64,65,66,73,118,125,126,127, 128,129,130,148,235,253,254,255,256,257,258,274, 493,509,510,511,512,513,514,651,689,710,825,846, 884,1021,1022,1023,1024,1025,1026,1097,1974,2045, 2046,2047,2048,2049]