A064952 - OEIS

A064952 as a simple table

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

[1,1,1,1,2,3,3,3,3,4,5,5,5,6,7,7,7,7,7,8,9,10,10, 11,12,12,12,13,14,14,14,14,15,16,16,16,17,18,19, 19,19,19,20,21,21,21,21,21,21,22,23,23,24,25,25, 25,26,27,27,27,28,29,29,29,29,29,30,31,32,32,32]

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

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

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