A247419 - OEIS

A247419 as a simple table

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

[1,2,4,5,6,7,8,9,11,12,13,14,16,17,18,19,20,21,23, 24,25,26,27,28,30,31,32,33,35,36,37,38,39,40,42, 43,44,45,46,47,48,49,50,51,53,54,55,56,57,58,60, 61,62,63,65,66,67,68,69,70,72,73,74,75,76,77,79]

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

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

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