A003233 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A003233 as a simple table

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	7
7	9
8	10
9	12
10	13
11	14
12	15
13	17
14	18
15	20
16	22
17	23
18	25
19	26
20	27
21	28
22	30
23	31
24	33
25	34
26	35
27	36
28	38
29	39
30	40
31	41
32	43
33	44
34	46
35	47
36	48
37	49
38	51
39	52
40	54
41	56
42	57
43	59
44	60
45	61
46	62
47	64
48	65
49	67
50	68
51	69
52	70
53	72
54	73
55	75
56	77
57	78
58	80
59	81
60	82
61	83
62	85
63	86
64	88
65	89
66	90
67	91

[1,2,4,5,6,7,9,10,12,13,14,15,17,18,20,22,23,25, 26,27,28,30,31,33,34,35,36,38,39,40,41,43,44,46, 47,48,49,51,52,54,56,57,59,60,61,62,64,65,67,68, 69,70,72,73,75,77,78,80,81,82,83,85,86,88,89,90, 91]

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	7
7	9
8	10
9	12
10	13
11	14
12	15
13	17
14	18
15	20
16	22
17	23
18	25
19	26
20	27
21	28
22	30
23	31
24	33
25	34
26	35
27	36
28	38
29	39
30	40
31	41
32	43
33	44
34	46
35	47
36	48
37	49
38	51
39	52
40	54
41	56
42	57
43	59
44	60
45	61
46	62
47	64
48	65
49	67
50	68
51	69
52	70
53	72
54	73
55	75
56	77
57	78
58	80
59	81
60	82
61	83
62	85
63	86
64	88
65	89
66	90
67	91

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	7
7	9
8	10
9	12
10	13
11	14
12	15
13	17
14	18
15	20
16	22
17	23
18	25
19	26
20	27
21	28
22	30
23	31
24	33
25	34
26	35
27	36
28	38
29	39
30	40
31	41
32	43
33	44
34	46
35	47
36	48
37	49
38	51
39	52
40	54
41	56
42	57
43	59
44	60
45	61
46	62
47	64
48	65
49	67
50	68
51	69
52	70
53	72
54	73
55	75
56	77
57	78
58	80
59	81
60	82
61	83
62	85
63	86
64	88
65	89
66	90
67	91

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	7
7	9
8	10
9	12
10	13
11	14
12	15
13	17
14	18
15	20
16	22
17	23
18	25
19	26
20	27
21	28
22	30
23	31
24	33
25	34
26	35
27	36
28	38
29	39
30	40
31	41
32	43
33	44
34	46
35	47
36	48
37	49
38	51
39	52
40	54
41	56
42	57
43	59
44	60
45	61
46	62
47	64
48	65
49	67
50	68
51	69
52	70
53	72
54	73
55	75
56	77
57	78
58	80
59	81
60	82
61	83
62	85
63	86
64	88
65	89
66	90
67	91