A063208 - OEIS

A063208 as a simple table

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

[1,1,2,3,4,4,6,6,7,8,9,9,11,11,12,13,14,14,16,16, 17,18,19,19,21,21,22,23,24,24,26,26,27,28,29,29, 31,31,32,33,34,34,36,36,37,38,39,39,41,41,42,43, 44,44,46,46,47,48,49,49,51,51,52,53,54,54,56,56, 57,58,59,59,61]

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

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

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