A213855 - OEIS

A213855 as a simple table

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

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

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

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

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