A115384 - OEIS

A115384 as a simple table

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

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

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

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

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