A275891 - OEIS

A275891 as a simple table

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

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

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

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

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