A257175 - OEIS

A257175 as a simple table

n	a(n)
0	0
1	1
2	2
3	2
4	3
5	4
6	5
7	5
8	6
9	7
10	7
11	8
12	9
13	10
14	10
15	11
16	12
17	12
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	22
31	22
32	23
33	24
34	24
35	25
36	26
37	27
38	27
39	28
40	29
41	29
42	30
43	31
44	31
45	32
46	33
47	34
48	34
49	35
50	36
51	36
52	37
53	38
54	39
55	39
56	40
57	41
58	41
59	42
60	43
61	43
62	44
63	45
64	46
65	46
66	47
67	48
68	48
69	49
70	50
71	51
72	51
73	52
74	53
75	53
76	54
77	55
78	56
79	56
80	57

[0,1,2,2,3,4,5,5,6,7,7,8,9,10,10,11,12,12,13,14, 14,15,16,17,17,18,19,19,20,21,22,22,23,24,24,25, 26,27,27,28,29,29,30,31,31,32,33,34,34,35,36,36, 37,38,39,39,40,41,41,42,43,43,44,45,46,46,47,48, 48,49,50,51,51,52,53,53,54,55,56,56,57]

n	a(n)
0	0
1	1
2	2
3	2
4	3
5	4
6	5
7	5
8	6
9	7
10	7
11	8
12	9
13	10
14	10
15	11
16	12
17	12
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	22
31	22
32	23
33	24
34	24
35	25
36	26
37	27
38	27
39	28
40	29
41	29
42	30
43	31
44	31
45	32
46	33
47	34
48	34
49	35
50	36
51	36
52	37
53	38
54	39
55	39
56	40
57	41
58	41
59	42
60	43
61	43
62	44
63	45
64	46
65	46
66	47
67	48
68	48
69	49
70	50
71	51
72	51
73	52
74	53
75	53
76	54
77	55
78	56
79	56
80	57

n	a(n)
0	0
1	1
2	2
3	2
4	3
5	4
6	5
7	5
8	6
9	7
10	7
11	8
12	9
13	10
14	10
15	11
16	12
17	12
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	22
31	22
32	23
33	24
34	24
35	25
36	26
37	27
38	27
39	28
40	29
41	29
42	30
43	31
44	31
45	32
46	33
47	34
48	34
49	35
50	36
51	36
52	37
53	38
54	39
55	39
56	40
57	41
58	41
59	42
60	43
61	43
62	44
63	45
64	46
65	46
66	47
67	48
68	48
69	49
70	50
71	51
72	51
73	52
74	53
75	53
76	54
77	55
78	56
79	56
80	57

n	a(n)
0	0
1	1
2	2
3	2
4	3
5	4
6	5
7	5
8	6
9	7
10	7
11	8
12	9
13	10
14	10
15	11
16	12
17	12
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	22
31	22
32	23
33	24
34	24
35	25
36	26
37	27
38	27
39	28
40	29
41	29
42	30
43	31
44	31
45	32
46	33
47	34
48	34
49	35
50	36
51	36
52	37
53	38
54	39
55	39
56	40
57	41
58	41
59	42
60	43
61	43
62	44
63	45
64	46
65	46
66	47
67	48
68	48
69	49
70	50
71	51
72	51
73	52
74	53
75	53
76	54
77	55
78	56
79	56
80	57