A394865 - OEIS

A394865 as a simple table

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

[1,1,1,2,3,3,4,4,4,4,5,5,6,6,6,7,8,8,9,10,10,10, 11,11,12,12,12,13,14,14,15,15,15,15,16,16,17,17, 17,17,18,18,19,20,20,20,21,21,22,22,22,23,24,24, 25,25,25,25,26,26,27,27,27,28,29,29,30,31,31,31]

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

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

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