A047253 - OEIS

A047253 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	15
14	16
15	17
16	19
17	20
18	21
19	22
20	23
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	34
30	35
31	37
32	38
33	39
34	40
35	41
36	43
37	44
38	45
39	46
40	47
41	49
42	50
43	51
44	52
45	53
46	55
47	56
48	57
49	58
50	59
51	61
52	62
53	63
54	64
55	65
56	67
57	68
58	69
59	70
60	71
61	73
62	74
63	75
64	76
65	77
66	79
67	80
68	81
69	82
70	83
71	85
72	86

[1,2,3,4,5,7,8,9,10,11,13,14,15,16,17,19,20,21,22, 23,25,26,27,28,29,31,32,33,34,35,37,38,39,40,41, 43,44,45,46,47,49,50,51,52,53,55,56,57,58,59,61, 62,63,64,65,67,68,69,70,71,73,74,75,76,77,79,80, 81,82,83,85,86]

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	15
14	16
15	17
16	19
17	20
18	21
19	22
20	23
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	34
30	35
31	37
32	38
33	39
34	40
35	41
36	43
37	44
38	45
39	46
40	47
41	49
42	50
43	51
44	52
45	53
46	55
47	56
48	57
49	58
50	59
51	61
52	62
53	63
54	64
55	65
56	67
57	68
58	69
59	70
60	71
61	73
62	74
63	75
64	76
65	77
66	79
67	80
68	81
69	82
70	83
71	85
72	86

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	15
14	16
15	17
16	19
17	20
18	21
19	22
20	23
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	34
30	35
31	37
32	38
33	39
34	40
35	41
36	43
37	44
38	45
39	46
40	47
41	49
42	50
43	51
44	52
45	53
46	55
47	56
48	57
49	58
50	59
51	61
52	62
53	63
54	64
55	65
56	67
57	68
58	69
59	70
60	71
61	73
62	74
63	75
64	76
65	77
66	79
67	80
68	81
69	82
70	83
71	85
72	86

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	15
14	16
15	17
16	19
17	20
18	21
19	22
20	23
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	34
30	35
31	37
32	38
33	39
34	40
35	41
36	43
37	44
38	45
39	46
40	47
41	49
42	50
43	51
44	52
45	53
46	55
47	56
48	57
49	58
50	59
51	61
52	62
53	63
54	64
55	65
56	67
57	68
58	69
59	70
60	71
61	73
62	74
63	75
64	76
65	77
66	79
67	80
68	81
69	82
70	83
71	85
72	86