A267097 - OEIS

A267097 as a simple table

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	2
7	3
8	3
9	3
10	4
11	4
12	5
13	6
14	6
15	6
16	7
17	7
18	8
19	8
20	8
21	9
22	9
23	9
24	10
25	11
26	12
27	12
28	12
29	13
30	14
31	14
32	14
33	15
34	15
35	16
36	16
37	17
38	17
39	17
40	18
41	18
42	19
43	19
44	20
45	21
46	21
47	21
48	21
49	21
50	22
51	23
52	23
53	24
54	24
55	25
56	25
57	26
58	26
59	27
60	28
61	28
62	29
63	29
64	29
65	30
66	31
67	31
68	32
69	32
70	33
71	34
72	34
73	34
74	35
75	35
76	35
77	36
78	37
79	38
80	39
81	39
82	40
83	40
84	41

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

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	2
7	3
8	3
9	3
10	4
11	4
12	5
13	6
14	6
15	6
16	7
17	7
18	8
19	8
20	8
21	9
22	9
23	9
24	10
25	11
26	12
27	12
28	12
29	13
30	14
31	14
32	14
33	15
34	15
35	16
36	16
37	17
38	17
39	17
40	18
41	18
42	19
43	19
44	20
45	21
46	21
47	21
48	21
49	21
50	22
51	23
52	23
53	24
54	24
55	25
56	25
57	26
58	26
59	27
60	28
61	28
62	29
63	29
64	29
65	30
66	31
67	31
68	32
69	32
70	33
71	34
72	34
73	34
74	35
75	35
76	35
77	36
78	37
79	38
80	39
81	39
82	40
83	40
84	41

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	2
7	3
8	3
9	3
10	4
11	4
12	5
13	6
14	6
15	6
16	7
17	7
18	8
19	8
20	8
21	9
22	9
23	9
24	10
25	11
26	12
27	12
28	12
29	13
30	14
31	14
32	14
33	15
34	15
35	16
36	16
37	17
38	17
39	17
40	18
41	18
42	19
43	19
44	20
45	21
46	21
47	21
48	21
49	21
50	22
51	23
52	23
53	24
54	24
55	25
56	25
57	26
58	26
59	27
60	28
61	28
62	29
63	29
64	29
65	30
66	31
67	31
68	32
69	32
70	33
71	34
72	34
73	34
74	35
75	35
76	35
77	36
78	37
79	38
80	39
81	39
82	40
83	40
84	41

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	2
7	3
8	3
9	3
10	4
11	4
12	5
13	6
14	6
15	6
16	7
17	7
18	8
19	8
20	8
21	9
22	9
23	9
24	10
25	11
26	12
27	12
28	12
29	13
30	14
31	14
32	14
33	15
34	15
35	16
36	16
37	17
38	17
39	17
40	18
41	18
42	19
43	19
44	20
45	21
46	21
47	21
48	21
49	21
50	22
51	23
52	23
53	24
54	24
55	25
56	25
57	26
58	26
59	27
60	28
61	28
62	29
63	29
64	29
65	30
66	31
67	31
68	32
69	32
70	33
71	34
72	34
73	34
74	35
75	35
76	35
77	36
78	37
79	38
80	39
81	39
82	40
83	40
84	41