A268680 - OEIS

A268680 as a simple table

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

[0,1,1,2,3,4,4,5,6,6,6,7,7,7,7,8,9,9,10,11,12,12, 13,14,14,14,15,16,16,16,16,17,18,18,19,19,20,21, 21,21,22,23,24,24,24,24,24,25,26,26,27,27,28,29, 29,29,30,31,31,32,33,33,33,33,34,35,36,36,36,37, 38,38,39,39,40,41,41,41,41,41,41,42,43,44]

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

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

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