A002264 - OEIS

A002264 as a simple table

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

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

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

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

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