A139338 - OEIS

A139338 as a simple table

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	4
7	5
8	6
9	6
10	7
11	7
12	8
13	8
14	9
15	9
16	10
17	11
18	11
19	12
20	12
21	13
22	13
23	14
24	15
25	15
26	16
27	16
28	17
29	17
30	18
31	18
32	19
33	20
34	20
35	21
36	21
37	22
38	22
39	23
40	24
41	24
42	25
43	25
44	26
45	26
46	27
47	27
48	28
49	29
50	29
51	30
52	30
53	31
54	31
55	32
56	32
57	33
58	34
59	34
60	35
61	35
62	36
63	36
64	37
65	37
66	38
67	39
68	39
69	40
70	40
71	41
72	41
73	42
74	43

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

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	4
7	5
8	6
9	6
10	7
11	7
12	8
13	8
14	9
15	9
16	10
17	11
18	11
19	12
20	12
21	13
22	13
23	14
24	15
25	15
26	16
27	16
28	17
29	17
30	18
31	18
32	19
33	20
34	20
35	21
36	21
37	22
38	22
39	23
40	24
41	24
42	25
43	25
44	26
45	26
46	27
47	27
48	28
49	29
50	29
51	30
52	30
53	31
54	31
55	32
56	32
57	33
58	34
59	34
60	35
61	35
62	36
63	36
64	37
65	37
66	38
67	39
68	39
69	40
70	40
71	41
72	41
73	42
74	43

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	4
7	5
8	6
9	6
10	7
11	7
12	8
13	8
14	9
15	9
16	10
17	11
18	11
19	12
20	12
21	13
22	13
23	14
24	15
25	15
26	16
27	16
28	17
29	17
30	18
31	18
32	19
33	20
34	20
35	21
36	21
37	22
38	22
39	23
40	24
41	24
42	25
43	25
44	26
45	26
46	27
47	27
48	28
49	29
50	29
51	30
52	30
53	31
54	31
55	32
56	32
57	33
58	34
59	34
60	35
61	35
62	36
63	36
64	37
65	37
66	38
67	39
68	39
69	40
70	40
71	41
72	41
73	42
74	43

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	4
7	5
8	6
9	6
10	7
11	7
12	8
13	8
14	9
15	9
16	10
17	11
18	11
19	12
20	12
21	13
22	13
23	14
24	15
25	15
26	16
27	16
28	17
29	17
30	18
31	18
32	19
33	20
34	20
35	21
36	21
37	22
38	22
39	23
40	24
41	24
42	25
43	25
44	26
45	26
46	27
47	27
48	28
49	29
50	29
51	30
52	30
53	31
54	31
55	32
56	32
57	33
58	34
59	34
60	35
61	35
62	36
63	36
64	37
65	37
66	38
67	39
68	39
69	40
70	40
71	41
72	41
73	42
74	43