A167707 - OEIS

A167707 as a simple table

n	a(n)
1	0
2	1
3	3
4	5
5	7
6	8
7	9
8	10
9	11
10	13
11	14
12	15
13	16
14	17
15	19
16	20
17	21
18	22
19	24
20	25
21	26
22	27
23	28
24	29
25	31
26	32
27	33
28	34
29	35
30	36
31	38
32	39
33	40
34	41
35	43
36	44
37	45
38	46
39	48
40	49
41	50
42	51
43	52
44	54
45	55
46	56
47	57
48	58
49	59
50	61
51	62
52	63
53	64
54	65
55	66
56	68
57	69
58	70
59	71
60	73
61	74
62	75
63	76
64	77
65	78
66	80
67	81
68	82
69	84
70	85
71	86
72	87

[0,1,3,5,7,8,9,10,11,13,14,15,16,17,19,20,21,22, 24,25,26,27,28,29,31,32,33,34,35,36,38,39,40,41, 43,44,45,46,48,49,50,51,52,54,55,56,57,58,59,61, 62,63,64,65,66,68,69,70,71,73,74,75,76,77,78,80, 81,82,84,85,86,87]

n	a(n)
1	0
2	1
3	3
4	5
5	7
6	8
7	9
8	10
9	11
10	13
11	14
12	15
13	16
14	17
15	19
16	20
17	21
18	22
19	24
20	25
21	26
22	27
23	28
24	29
25	31
26	32
27	33
28	34
29	35
30	36
31	38
32	39
33	40
34	41
35	43
36	44
37	45
38	46
39	48
40	49
41	50
42	51
43	52
44	54
45	55
46	56
47	57
48	58
49	59
50	61
51	62
52	63
53	64
54	65
55	66
56	68
57	69
58	70
59	71
60	73
61	74
62	75
63	76
64	77
65	78
66	80
67	81
68	82
69	84
70	85
71	86
72	87

n	a(n)
1	0
2	1
3	3
4	5
5	7
6	8
7	9
8	10
9	11
10	13
11	14
12	15
13	16
14	17
15	19
16	20
17	21
18	22
19	24
20	25
21	26
22	27
23	28
24	29
25	31
26	32
27	33
28	34
29	35
30	36
31	38
32	39
33	40
34	41
35	43
36	44
37	45
38	46
39	48
40	49
41	50
42	51
43	52
44	54
45	55
46	56
47	57
48	58
49	59
50	61
51	62
52	63
53	64
54	65
55	66
56	68
57	69
58	70
59	71
60	73
61	74
62	75
63	76
64	77
65	78
66	80
67	81
68	82
69	84
70	85
71	86
72	87

n	a(n)
1	0
2	1
3	3
4	5
5	7
6	8
7	9
8	10
9	11
10	13
11	14
12	15
13	16
14	17
15	19
16	20
17	21
18	22
19	24
20	25
21	26
22	27
23	28
24	29
25	31
26	32
27	33
28	34
29	35
30	36
31	38
32	39
33	40
34	41
35	43
36	44
37	45
38	46
39	48
40	49
41	50
42	51
43	52
44	54
45	55
46	56
47	57
48	58
49	59
50	61
51	62
52	63
53	64
54	65
55	66
56	68
57	69
58	70
59	71
60	73
61	74
62	75
63	76
64	77
65	78
66	80
67	81
68	82
69	84
70	85
71	86
72	87