A074065 - OEIS

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A074065 as a simple table

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

[0,1,1,2,3,3,4,5,5,6,6,7,8,8,9,10,10,11,12,12,13, 13,14,15,15,16,17,17,18,19,19,20,20,21,22,22,23, 24,24,25,25,26,27,27,28,29,29,30,31,31,32,32,33, 34,34,35,36,36,37,38,38,39,39,40,41,41,42,43,43, 44,45,45,46,46]

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

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

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