A122168 - OEIS

A122168 as a simple table

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

[1,1,2,3,4,5,6,6,8,9,10,9,12,13,14,12,16,15,18,14, 20,21,22,17,24,25,23,20,28,29,30,22,32,33,34,22, 36,37,38,28,40,41,42,30,40,45,46,33,48,48,50,35, 52,48,54,37,56,57,58,40,60,61,56,41,64,65,66,44, 68,69,70,41,72]

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

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

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