A025548 - OEIS

A025548 as a simple table

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

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

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

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

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