A020658 - OEIS

A020658 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	22
20	23
21	24
22	25
23	26
24	27
25	29
26	30
27	31
28	32
29	33
30	34
31	36
32	37
33	38
34	39
35	40
36	41
37	50
38	51
39	52
40	53
41	54
42	55
43	57
44	58
45	59
46	60
47	61
48	62
49	64
50	65
51	66
52	67
53	68
54	69
55	71
56	72
57	73
58	74
59	75
60	76
61	78
62	79
63	80
64	81
65	82
66	83
67	85
68	86
69	87
70	88
71	89
72	90
73	99

[1,2,3,4,5,6,8,9,10,11,12,13,15,16,17,18,19,20,22, 23,24,25,26,27,29,30,31,32,33,34,36,37,38,39,40, 41,50,51,52,53,54,55,57,58,59,60,61,62,64,65,66, 67,68,69,71,72,73,74,75,76,78,79,80,81,82,83,85, 86,87,88,89,90,99]

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	22
20	23
21	24
22	25
23	26
24	27
25	29
26	30
27	31
28	32
29	33
30	34
31	36
32	37
33	38
34	39
35	40
36	41
37	50
38	51
39	52
40	53
41	54
42	55
43	57
44	58
45	59
46	60
47	61
48	62
49	64
50	65
51	66
52	67
53	68
54	69
55	71
56	72
57	73
58	74
59	75
60	76
61	78
62	79
63	80
64	81
65	82
66	83
67	85
68	86
69	87
70	88
71	89
72	90
73	99

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	22
20	23
21	24
22	25
23	26
24	27
25	29
26	30
27	31
28	32
29	33
30	34
31	36
32	37
33	38
34	39
35	40
36	41
37	50
38	51
39	52
40	53
41	54
42	55
43	57
44	58
45	59
46	60
47	61
48	62
49	64
50	65
51	66
52	67
53	68
54	69
55	71
56	72
57	73
58	74
59	75
60	76
61	78
62	79
63	80
64	81
65	82
66	83
67	85
68	86
69	87
70	88
71	89
72	90
73	99

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	22
20	23
21	24
22	25
23	26
24	27
25	29
26	30
27	31
28	32
29	33
30	34
31	36
32	37
33	38
34	39
35	40
36	41
37	50
38	51
39	52
40	53
41	54
42	55
43	57
44	58
45	59
46	60
47	61
48	62
49	64
50	65
51	66
52	67
53	68
54	69
55	71
56	72
57	73
58	74
59	75
60	76
61	78
62	79
63	80
64	81
65	82
66	83
67	85
68	86
69	87
70	88
71	89
72	90
73	99