A156351 - OEIS

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A156351 as a simple table

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

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

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

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

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