A247786 - OEIS

A247786 as a simple table

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	12
10	14
11	15
12	16
13	18
14	19
15	20
16	22
17	23
18	24
19	26
20	27
21	28
22	30
23	31
24	33
25	34
26	35
27	37
28	38
29	39
30	41
31	42
32	43
33	45
34	46
35	48
36	49
37	50
38	52
39	53
40	54
41	56
42	57
43	58
44	60
45	61
46	62
47	64
48	65
49	67
50	68
51	69
52	71
53	72
54	73
55	75
56	76
57	77
58	79
59	80
60	81
61	83
62	84
63	86
64	87
65	88
66	90

[1,3,4,5,7,8,9,11,12,14,15,16,18,19,20,22,23,24, 26,27,28,30,31,33,34,35,37,38,39,41,42,43,45,46, 48,49,50,52,53,54,56,57,58,60,61,62,64,65,67,68, 69,71,72,73,75,76,77,79,80,81,83,84,86,87,88,90]

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	12
10	14
11	15
12	16
13	18
14	19
15	20
16	22
17	23
18	24
19	26
20	27
21	28
22	30
23	31
24	33
25	34
26	35
27	37
28	38
29	39
30	41
31	42
32	43
33	45
34	46
35	48
36	49
37	50
38	52
39	53
40	54
41	56
42	57
43	58
44	60
45	61
46	62
47	64
48	65
49	67
50	68
51	69
52	71
53	72
54	73
55	75
56	76
57	77
58	79
59	80
60	81
61	83
62	84
63	86
64	87
65	88
66	90

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	12
10	14
11	15
12	16
13	18
14	19
15	20
16	22
17	23
18	24
19	26
20	27
21	28
22	30
23	31
24	33
25	34
26	35
27	37
28	38
29	39
30	41
31	42
32	43
33	45
34	46
35	48
36	49
37	50
38	52
39	53
40	54
41	56
42	57
43	58
44	60
45	61
46	62
47	64
48	65
49	67
50	68
51	69
52	71
53	72
54	73
55	75
56	76
57	77
58	79
59	80
60	81
61	83
62	84
63	86
64	87
65	88
66	90

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	12
10	14
11	15
12	16
13	18
14	19
15	20
16	22
17	23
18	24
19	26
20	27
21	28
22	30
23	31
24	33
25	34
26	35
27	37
28	38
29	39
30	41
31	42
32	43
33	45
34	46
35	48
36	49
37	50
38	52
39	53
40	54
41	56
42	57
43	58
44	60
45	61
46	62
47	64
48	65
49	67
50	68
51	69
52	71
53	72
54	73
55	75
56	76
57	77
58	79
59	80
60	81
61	83
62	84
63	86
64	87
65	88
66	90