A138466 - OEIS

A138466 as a simple table

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

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

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

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

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