A155817 - OEIS

A155817 as a simple table

n	a(n)
1	1
2	10
3	2
4	4
5	100
6	101
7	11
8	12
9	13
10	14
11	30
12	1000
13	10000
14	40
15	41
16	100000
17	102
18	43
19	60
20	110
21	1000000
22	1001
23	61
24	80
25	111
26	100000000000
27	90
28	10000000
29	103
30	104
31	10001
32	1110
33	112
34	201
35	108
36	91
37	95
38	160
39	161
40	100000000000000000000000000000000000
41	170
42	1000001

[1,10,2,4,100,101,11,12,13,14,30,1000,10000,40,41, 100000,102,43,60,110,1000000,1001,61,80,111, 100000000000,90,10000000,103,104,10001,1110,112, 201,108,91,95,160,161, 100000000000000000000000000000000000,170,1000001]