A225489 - OEIS

A225489 as a simple table

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

[1,2,2,3,5,6,5,6,8,9,8,9,12,13,11,12,17,18,14,15, 21,22,17,18,23,24,20,21,27,28,23,24,32,33,26,27, 36,37,29,30,38,39,32,33,42,43,35,36,48,49,38,39, 52,53,41,42,53,54,44,45,57,58,47,48,65,66,50,51]

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

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

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