A305211 - OEIS

A305211 as a simple table

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

[1,2,3,4,5,6,5,8,5,10,11,12,13,10,15,16,17,10,19, 20,15,22,23,24,25,26,15,20,29,30,31,32,33,34,25, 20,37,38,39,40,41,30,43,44,25,46,47,48,35,50,51, 52,53,30,55,40,57,58,59,60,61,62,25,64,65,66,67]

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

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

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