A120518 - OEIS

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A120518 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	11
10	12
11	13
12	14
13	16
14	17
15	18
16	19
17	22
18	23
19	24
20	25
21	27
22	28
23	29
24	30
25	32
26	33
27	34
28	35
29	37
30	38
31	39
32	40
33	43
34	44
35	45
36	46
37	48
38	49
39	50
40	51
41	53
42	54
43	55
44	56
45	58
46	59
47	60
48	61
49	64
50	65

[1,2,3,4,6,7,8,9,11,12,13,14,16,17,18,19,22,23,24, 25,27,28,29,30,32,33,34,35,37,38,39,40,43,44,45, 46,48,49,50,51,53,54,55,56,58,59,60,61,64,65]