A176842 - OEIS

A176842 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	9
12	9
13	10
14	11
15	12
16	12
17	13
18	13
19	14
20	14
21	15
22	16
23	17
24	17
25	18
26	19
27	19
28	20
29	21
30	21
31	22
32	21
33	22
34	23
35	24
36	24
37	25
38	26
39	27
40	27
41	28
42	28
43	29
44	29
45	30
46	31
47	32
48	30
49	31
50	31
51	32
52	32
53	33
54	33
55	34
56	34
57	35
58	36
59	37
60	37
61	38
62	39
63	39
64	40
65	41
66	41
67	42
68	42
69	43
70	43
71	44
72	43
73	44

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

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

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

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