A154951 - OEIS

A154951 as a simple table

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

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

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

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

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