A273139 - OEIS

A273139 as a simple table

n	a(n)
1	1
2	2
3	3
4	5
5	9
6	10
7	17
8	20
9	26
10	28
11	36
12	44
13	45
14	54
15	64
16	65
17	76
18	78
19	103
20	105
21	134
22	135
23	168
24	171
25	189
26	190
27	230
28	252
29	253
30	275
31	298
32	299
33	323
34	324
35	325
36	376
37	377
38	378
39	405
40	406
41	463
42	493
43	494
44	627
45	628
46	629
47	630
48	736
49	737
50	738
51	740
52	741
53	779
54	859
55	899
56	902
57	944
58	946
59	1033
60	1035
61	1171
62	1176
63	1223
64	1225

[1,2,3,5,9,10,17,20,26,28,36,44,45,54,64,65,76,78, 103,105,134,135,168,171,189,190,230,252,253,275, 298,299,323,324,325,376,377,378,405,406,463,493, 494,627,628,629,630,736,737,738,740,741,779,859, 899,902,944,946,1033,1035,1171,1176,1223,1225]