A039247 - OEIS

A039247 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	18
16	19
17	20
18	21
19	22
20	23
21	24
22	25
23	26
24	27
25	30
26	31
27	32
28	33
29	34
30	35
31	36
32	37
33	38
34	39
35	42
36	43
37	44
38	45
39	46
40	47
41	53
42	64
43	72
44	73
45	74
46	75
47	78
48	79
49	80
50	81
51	82
52	83
53	84
54	85
55	86
56	87
57	90
58	91
59	92
60	93
61	94
62	95
63	96
64	97
65	98
66	99
67	102
68	103
69	104

[0,1,2,3,6,7,8,9,10,11,12,13,14,15,18,19,20,21,22, 23,24,25,26,27,30,31,32,33,34,35,36,37,38,39,42, 43,44,45,46,47,53,64,72,73,74,75,78,79,80,81,82, 83,84,85,86,87,90,91,92,93,94,95,96,97,98,99,102, 103,104]

n	a(n)
1	0
2	1
3	2
4	3
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	18
16	19
17	20
18	21
19	22
20	23
21	24
22	25
23	26
24	27
25	30
26	31
27	32
28	33
29	34
30	35
31	36
32	37
33	38
34	39
35	42
36	43
37	44
38	45
39	46
40	47
41	53
42	64
43	72
44	73
45	74
46	75
47	78
48	79
49	80
50	81
51	82
52	83
53	84
54	85
55	86
56	87
57	90
58	91
59	92
60	93
61	94
62	95
63	96
64	97
65	98
66	99
67	102
68	103
69	104

n	a(n)
1	0
2	1
3	2
4	3
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	18
16	19
17	20
18	21
19	22
20	23
21	24
22	25
23	26
24	27
25	30
26	31
27	32
28	33
29	34
30	35
31	36
32	37
33	38
34	39
35	42
36	43
37	44
38	45
39	46
40	47
41	53
42	64
43	72
44	73
45	74
46	75
47	78
48	79
49	80
50	81
51	82
52	83
53	84
54	85
55	86
56	87
57	90
58	91
59	92
60	93
61	94
62	95
63	96
64	97
65	98
66	99
67	102
68	103
69	104

n	a(n)
1	0
2	1
3	2
4	3
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	18
16	19
17	20
18	21
19	22
20	23
21	24
22	25
23	26
24	27
25	30
26	31
27	32
28	33
29	34
30	35
31	36
32	37
33	38
34	39
35	42
36	43
37	44
38	45
39	46
40	47
41	53
42	64
43	72
44	73
45	74
46	75
47	78
48	79
49	80
50	81
51	82
52	83
53	84
54	85
55	86
56	87
57	90
58	91
59	92
60	93
61	94
62	95
63	96
64	97
65	98
66	99
67	102
68	103
69	104