A165906 - OEIS

A165906 as a simple table

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	4
7	4
8	5
9	5
10	5
11	6
12	6
13	6
14	7
15	7
16	8
17	8
18	9
19	9
20	9
21	10
22	11
23	11
24	11
25	11
26	12
27	13
28	13
29	14
30	15
31	14
32	15
33	15
34	16
35	16
36	17
37	17
38	17
39	18
40	18
41	19
42	20
43	20
44	20
45	21
46	22
47	22
48	21
49	22
50	23
51	23
52	24
53	25
54	25
55	25
56	26
57	26
58	27
59	27
60	28
61	29
62	29
63	28
64	29
65	30
66	31
67	30
68	31
69	31
70	32
71	32
72	33
73	33
74	34
75	34
76	35

[1,2,2,3,3,4,4,5,5,5,6,6,6,7,7,8,8,9,9,9,10,11,11, 11,11,12,13,13,14,15,14,15,15,16,16,17,17,17,18, 18,19,20,20,20,21,22,22,21,22,23,23,24,25,25,25, 26,26,27,27,28,29,29,28,29,30,31,30,31,31,32,32, 33,33,34,34,35]

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	4
7	4
8	5
9	5
10	5
11	6
12	6
13	6
14	7
15	7
16	8
17	8
18	9
19	9
20	9
21	10
22	11
23	11
24	11
25	11
26	12
27	13
28	13
29	14
30	15
31	14
32	15
33	15
34	16
35	16
36	17
37	17
38	17
39	18
40	18
41	19
42	20
43	20
44	20
45	21
46	22
47	22
48	21
49	22
50	23
51	23
52	24
53	25
54	25
55	25
56	26
57	26
58	27
59	27
60	28
61	29
62	29
63	28
64	29
65	30
66	31
67	30
68	31
69	31
70	32
71	32
72	33
73	33
74	34
75	34
76	35

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	4
7	4
8	5
9	5
10	5
11	6
12	6
13	6
14	7
15	7
16	8
17	8
18	9
19	9
20	9
21	10
22	11
23	11
24	11
25	11
26	12
27	13
28	13
29	14
30	15
31	14
32	15
33	15
34	16
35	16
36	17
37	17
38	17
39	18
40	18
41	19
42	20
43	20
44	20
45	21
46	22
47	22
48	21
49	22
50	23
51	23
52	24
53	25
54	25
55	25
56	26
57	26
58	27
59	27
60	28
61	29
62	29
63	28
64	29
65	30
66	31
67	30
68	31
69	31
70	32
71	32
72	33
73	33
74	34
75	34
76	35

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	4
7	4
8	5
9	5
10	5
11	6
12	6
13	6
14	7
15	7
16	8
17	8
18	9
19	9
20	9
21	10
22	11
23	11
24	11
25	11
26	12
27	13
28	13
29	14
30	15
31	14
32	15
33	15
34	16
35	16
36	17
37	17
38	17
39	18
40	18
41	19
42	20
43	20
44	20
45	21
46	22
47	22
48	21
49	22
50	23
51	23
52	24
53	25
54	25
55	25
56	26
57	26
58	27
59	27
60	28
61	29
62	29
63	28
64	29
65	30
66	31
67	30
68	31
69	31
70	32
71	32
72	33
73	33
74	34
75	34
76	35