A004792 - OEIS

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A004792 as a simple table

n	a(n)
1	1
2	2
3	4
4	5
5	10
6	11
7	13
8	14
9	29
10	30
11	32
12	33
13	38
14	39
15	41
16	42
17	85
18	86
19	88
20	89
21	94
22	95
23	97
24	98
25	112
26	113
27	115
28	116
29	121
30	122
31	124
32	125
33	251
34	252
35	254
36	255
37	260
38	261
39	263
40	264

[1,2,4,5,10,11,13,14,29,30,32,33,38,39,41,42,85, 86,88,89,94,95,97,98,112,113,115,116,121,122,124, 125,251,252,254,255,260,261,263,264]