A004526 - OEIS

A004526 as a simple table

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

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

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

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

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