A181988 - OEIS

A181988 as a simple table

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

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

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

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

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