A061598 - OEIS

A061598 as a simple table

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

[1,1,2,2,1,4,6,5,7,8,7,8,10,11,12,13,14,12,14,12, 18,19,20,22,20,22,23,24,25,26,30,27,28,29,31,32, 33,34,35,36,35,36,38,39,40,41,42,38,39,43,45,46, 47,49,53,54,55,55,57,55,52,53,56,61,62,60,62,62, 63,64,68,64,65]

[1,1,2,2,1,4,6,5,7,8,7,8,10,11,12,13,14,12,14,12,
 18,19,20,22,20,22,23,24,25,26,30,27,28,29,31,32,
 33,34,35,36,35,36,38,39,40,41,42,38,39,43,45,46,
 47,49,53,54,55,55,57,55,52,53,56,61,62,60,62,62,
 63,64,68,64,65]

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

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

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