A211990 - OEIS

A211990 as a simple table

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

[1,1,2,1,2,3,2,3,4,5,2,4,5,6,7,4,6,8,9,10,11,4,8, 10,12,13,14,15,7,11,15,17,19,20,21,22,8,15,19,23, 25,27,28,29,30,12,20,27,31,35,37,39,40,41,42,14, 26,34,41,45,49,51,53,54,55,56,21,35,47]

[1,1,2,1,2,3,2,3,4,5,2,4,5,6,7,4,6,8,9,10,11,4,8,
 10,12,13,14,15,7,11,15,17,19,20,21,22,8,15,19,23,
 25,27,28,29,30,12,20,27,31,35,37,39,40,41,42,14,
 26,34,41,45,49,51,53,54,55,56,21,35,47]

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

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

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