A138469 - OEIS

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A138469 as a simple table

n	a(n)
1	5
2	6
3	7
4	8
5	9
6	10
7	13
8	14
9	15
10	16
11	17
12	18
13	31
14	32
15	33
16	34
17	35
18	36
19	49
20	50
21	51
22	52
23	53
24	54
25	81
26	82
27	83
28	84
29	85
30	86
31	113
32	114
33	115
34	116
35	117
36	118

[5,6,7,8,9,10,13,14,15,16,17,18,31,32,33,34,35,36, 49,50,51,52,53,54,81,82,83,84,85,86,113,114,115, 116,117,118]