A047273 - OEIS

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A047273 as a simple table

n	a(n)
1	0
2	1
3	3
4	5
5	6
6	7
7	9
8	11
9	12
10	13
11	15
12	17
13	18
14	19
15	21
16	23
17	24
18	25
19	27
20	29
21	30
22	31
23	33
24	35
25	36
26	37
27	39
28	41
29	42
30	43
31	45
32	47
33	48
34	49
35	51
36	53
37	54
38	55
39	57
40	59
41	60
42	61
43	63
44	65
45	66
46	67
47	69
48	71
49	72
50	73
51	75
52	77
53	78
54	79
55	81
56	83
57	84
58	85
59	87
60	89
61	90
62	91
63	93
64	95
65	96
66	97
67	99
68	101
69	102
70	103

[0,1,3,5,6,7,9,11,12,13,15,17,18,19,21,23,24,25, 27,29,30,31,33,35,36,37,39,41,42,43,45,47,48,49, 51,53,54,55,57,59,60,61,63,65,66,67,69,71,72,73, 75,77,78,79,81,83,84,85,87,89,90,91,93,95,96,97, 99,101,102,103]

n	a(n)
1	0
2	1
3	3
4	5
5	6
6	7
7	9
8	11
9	12
10	13
11	15
12	17
13	18
14	19
15	21
16	23
17	24
18	25
19	27
20	29
21	30
22	31
23	33
24	35
25	36
26	37
27	39
28	41
29	42
30	43
31	45
32	47
33	48
34	49
35	51
36	53
37	54
38	55
39	57
40	59
41	60
42	61
43	63
44	65
45	66
46	67
47	69
48	71
49	72
50	73
51	75
52	77
53	78
54	79
55	81
56	83
57	84
58	85
59	87
60	89
61	90
62	91
63	93
64	95
65	96
66	97
67	99
68	101
69	102
70	103

n	a(n)
1	0
2	1
3	3
4	5
5	6
6	7
7	9
8	11
9	12
10	13
11	15
12	17
13	18
14	19
15	21
16	23
17	24
18	25
19	27
20	29
21	30
22	31
23	33
24	35
25	36
26	37
27	39
28	41
29	42
30	43
31	45
32	47
33	48
34	49
35	51
36	53
37	54
38	55
39	57
40	59
41	60
42	61
43	63
44	65
45	66
46	67
47	69
48	71
49	72
50	73
51	75
52	77
53	78
54	79
55	81
56	83
57	84
58	85
59	87
60	89
61	90
62	91
63	93
64	95
65	96
66	97
67	99
68	101
69	102
70	103

n	a(n)
1	0
2	1
3	3
4	5
5	6
6	7
7	9
8	11
9	12
10	13
11	15
12	17
13	18
14	19
15	21
16	23
17	24
18	25
19	27
20	29
21	30
22	31
23	33
24	35
25	36
26	37
27	39
28	41
29	42
30	43
31	45
32	47
33	48
34	49
35	51
36	53
37	54
38	55
39	57
40	59
41	60
42	61
43	63
44	65
45	66
46	67
47	69
48	71
49	72
50	73
51	75
52	77
53	78
54	79
55	81
56	83
57	84
58	85
59	87
60	89
61	90
62	91
63	93
64	95
65	96
66	97
67	99
68	101
69	102
70	103