A030383 - OEIS

A030383 as a simple table

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	4
9	4
10	5
11	5
12	5
13	4
14	4
15	5
16	5
17	5
18	5
19	5
20	5
21	4
22	4
23	5
24	5
25	5
26	5
27	5
28	6
29	5
30	4
31	5
32	4
33	5
34	6
35	5
36	5
37	6
38	5
39	5
40	6
41	7
42	6
43	7
44	8
45	9
46	10
47	11
48	11
49	12
50	13
51	13
52	14
53	14
54	13
55	14
56	14
57	15
58	16
59	16
60	16
61	17
62	17
63	17
64	18
65	18
66	17
67	18
68	18
69	19
70	20
71	20
72	20
73	21
74	21
75	21

[1,1,1,2,1,2,3,4,4,5,5,5,4,4,5,5,5,5,5,5,4,4,5,5, 5,5,5,6,5,4,5,4,5,6,5,5,6,5,5,6,7,6,7,8,9,10,11, 11,12,13,13,14,14,13,14,14,15,16,16,16,17,17,17, 18,18,17,18,18,19,20,20,20,21,21,21]

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	4
9	4
10	5
11	5
12	5
13	4
14	4
15	5
16	5
17	5
18	5
19	5
20	5
21	4
22	4
23	5
24	5
25	5
26	5
27	5
28	6
29	5
30	4
31	5
32	4
33	5
34	6
35	5
36	5
37	6
38	5
39	5
40	6
41	7
42	6
43	7
44	8
45	9
46	10
47	11
48	11
49	12
50	13
51	13
52	14
53	14
54	13
55	14
56	14
57	15
58	16
59	16
60	16
61	17
62	17
63	17
64	18
65	18
66	17
67	18
68	18
69	19
70	20
71	20
72	20
73	21
74	21
75	21

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	4
9	4
10	5
11	5
12	5
13	4
14	4
15	5
16	5
17	5
18	5
19	5
20	5
21	4
22	4
23	5
24	5
25	5
26	5
27	5
28	6
29	5
30	4
31	5
32	4
33	5
34	6
35	5
36	5
37	6
38	5
39	5
40	6
41	7
42	6
43	7
44	8
45	9
46	10
47	11
48	11
49	12
50	13
51	13
52	14
53	14
54	13
55	14
56	14
57	15
58	16
59	16
60	16
61	17
62	17
63	17
64	18
65	18
66	17
67	18
68	18
69	19
70	20
71	20
72	20
73	21
74	21
75	21

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	4
9	4
10	5
11	5
12	5
13	4
14	4
15	5
16	5
17	5
18	5
19	5
20	5
21	4
22	4
23	5
24	5
25	5
26	5
27	5
28	6
29	5
30	4
31	5
32	4
33	5
34	6
35	5
36	5
37	6
38	5
39	5
40	6
41	7
42	6
43	7
44	8
45	9
46	10
47	11
48	11
49	12
50	13
51	13
52	14
53	14
54	13
55	14
56	14
57	15
58	16
59	16
60	16
61	17
62	17
63	17
64	18
65	18
66	17
67	18
68	18
69	19
70	20
71	20
72	20
73	21
74	21
75	21