A052081 - OEIS

A052081 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	23
23	24
24	25
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	40
38	42
39	43
40	44
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	53
49	54
50	55
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	69
62	70
63	71
64	72
65	73
66	74
67	76
68	78
69	79
70	80
71	82
72	83

[0,1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,19, 20,21,23,24,25,27,28,29,30,31,32,33,34,35,36,37, 38,40,42,43,44,46,47,48,49,50,51,52,53,54,55,57, 58,59,60,61,62,64,65,66,67,69,70,71,72,73,74,76, 78,79,80,82,83]

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	23
23	24
24	25
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	40
38	42
39	43
40	44
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	53
49	54
50	55
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	69
62	70
63	71
64	72
65	73
66	74
67	76
68	78
69	79
70	80
71	82
72	83

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	23
23	24
24	25
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	40
38	42
39	43
40	44
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	53
49	54
50	55
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	69
62	70
63	71
64	72
65	73
66	74
67	76
68	78
69	79
70	80
71	82
72	83

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	23
23	24
24	25
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	40
38	42
39	43
40	44
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	53
49	54
50	55
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	69
62	70
63	71
64	72
65	73
66	74
67	76
68	78
69	79
70	80
71	82
72	83