A043092 - OEIS

A043092 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	17
17	18
18	19
19	20
20	22
21	23
22	24
23	25
24	26
25	27
26	29
27	30
28	31
29	32
30	33
31	34
32	37
33	38
34	39
35	40
36	41
37	48
38	49
39	51
40	52
41	53
42	54
43	55
44	56
45	58
46	59
47	60
48	61
49	62
50	63
51	65
52	66
53	67
54	68
55	69
56	70
57	73
58	74
59	75
60	76
61	77
62	78
63	80

[0,1,2,3,4,5,6,8,9,10,11,12,13,15,16,17,18,19,20, 22,23,24,25,26,27,29,30,31,32,33,34,37,38,39,40, 41,48,49,51,52,53,54,55,56,58,59,60,61,62,63,65, 66,67,68,69,70,73,74,75,76,77,78,80]

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	17
17	18
18	19
19	20
20	22
21	23
22	24
23	25
24	26
25	27
26	29
27	30
28	31
29	32
30	33
31	34
32	37
33	38
34	39
35	40
36	41
37	48
38	49
39	51
40	52
41	53
42	54
43	55
44	56
45	58
46	59
47	60
48	61
49	62
50	63
51	65
52	66
53	67
54	68
55	69
56	70
57	73
58	74
59	75
60	76
61	77
62	78
63	80

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	17
17	18
18	19
19	20
20	22
21	23
22	24
23	25
24	26
25	27
26	29
27	30
28	31
29	32
30	33
31	34
32	37
33	38
34	39
35	40
36	41
37	48
38	49
39	51
40	52
41	53
42	54
43	55
44	56
45	58
46	59
47	60
48	61
49	62
50	63
51	65
52	66
53	67
54	68
55	69
56	70
57	73
58	74
59	75
60	76
61	77
62	78
63	80

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	17
17	18
18	19
19	20
20	22
21	23
22	24
23	25
24	26
25	27
26	29
27	30
28	31
29	32
30	33
31	34
32	37
33	38
34	39
35	40
36	41
37	48
38	49
39	51
40	52
41	53
42	54
43	55
44	56
45	58
46	59
47	60
48	61
49	62
50	63
51	65
52	66
53	67
54	68
55	69
56	70
57	73
58	74
59	75
60	76
61	77
62	78
63	80