A064658 - OEIS

A064658 as a simple table

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

[2,2,2,2,3,3,4,3,4,6,5,8,8,7,7,9,11,9,12,12,10,11, 11,13,17,17,15,14,12,11,21,21,22,20,25,22,24,25, 25,26,27,25,30,27,26,23,31,38,37,34,33,34,31,36, 37,38,39,36,37,36,33,38,46,45,42,41,50,51,55]

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

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

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