A236916 - OEIS

A236916 as a simple table

n	a(n)
0	0
1	1
2	2
3	2
4	2
5	2
6	3
7	3
8	4
9	5
10	6
11	6
12	6
13	6
14	7
15	7
16	8
17	9
18	10
19	10
20	10
21	10
22	11
23	11
24	12
25	13
26	14
27	14
28	14
29	14
30	15
31	15
32	16
33	17
34	18
35	18
36	18
37	18
38	19
39	19
40	20
41	21
42	22
43	22
44	22
45	22
46	23
47	23
48	24
49	25
50	26
51	26
52	26
53	26
54	27
55	27
56	28
57	29
58	30
59	30
60	30
61	30
62	31
63	31
64	32
65	33
66	34
67	34
68	34
69	34
70	35
71	35
72	36
73	37
74	38
75	38
76	38
77	38
78	39
79	39
80	40
81	41
82	42
83	42

[0,1,2,2,2,2,3,3,4,5,6,6,6,6,7,7,8,9,10,10,10,10, 11,11,12,13,14,14,14,14,15,15,16,17,18,18,18,18, 19,19,20,21,22,22,22,22,23,23,24,25,26,26,26,26, 27,27,28,29,30,30,30,30,31,31,32,33,34,34,34,34, 35,35,36,37,38,38,38,38,39,39,40,41,42,42]

n	a(n)
0	0
1	1
2	2
3	2
4	2
5	2
6	3
7	3
8	4
9	5
10	6
11	6
12	6
13	6
14	7
15	7
16	8
17	9
18	10
19	10
20	10
21	10
22	11
23	11
24	12
25	13
26	14
27	14
28	14
29	14
30	15
31	15
32	16
33	17
34	18
35	18
36	18
37	18
38	19
39	19
40	20
41	21
42	22
43	22
44	22
45	22
46	23
47	23
48	24
49	25
50	26
51	26
52	26
53	26
54	27
55	27
56	28
57	29
58	30
59	30
60	30
61	30
62	31
63	31
64	32
65	33
66	34
67	34
68	34
69	34
70	35
71	35
72	36
73	37
74	38
75	38
76	38
77	38
78	39
79	39
80	40
81	41
82	42
83	42

n	a(n)
0	0
1	1
2	2
3	2
4	2
5	2
6	3
7	3
8	4
9	5
10	6
11	6
12	6
13	6
14	7
15	7
16	8
17	9
18	10
19	10
20	10
21	10
22	11
23	11
24	12
25	13
26	14
27	14
28	14
29	14
30	15
31	15
32	16
33	17
34	18
35	18
36	18
37	18
38	19
39	19
40	20
41	21
42	22
43	22
44	22
45	22
46	23
47	23
48	24
49	25
50	26
51	26
52	26
53	26
54	27
55	27
56	28
57	29
58	30
59	30
60	30
61	30
62	31
63	31
64	32
65	33
66	34
67	34
68	34
69	34
70	35
71	35
72	36
73	37
74	38
75	38
76	38
77	38
78	39
79	39
80	40
81	41
82	42
83	42

n	a(n)
0	0
1	1
2	2
3	2
4	2
5	2
6	3
7	3
8	4
9	5
10	6
11	6
12	6
13	6
14	7
15	7
16	8
17	9
18	10
19	10
20	10
21	10
22	11
23	11
24	12
25	13
26	14
27	14
28	14
29	14
30	15
31	15
32	16
33	17
34	18
35	18
36	18
37	18
38	19
39	19
40	20
41	21
42	22
43	22
44	22
45	22
46	23
47	23
48	24
49	25
50	26
51	26
52	26
53	26
54	27
55	27
56	28
57	29
58	30
59	30
60	30
61	30
62	31
63	31
64	32
65	33
66	34
67	34
68	34
69	34
70	35
71	35
72	36
73	37
74	38
75	38
76	38
77	38
78	39
79	39
80	40
81	41
82	42
83	42