A081831 - OEIS

A081831 as a simple table

n	a(n)
1	1
2	1
3	2
4	3
5	3
6	3
7	5
8	4
9	5
10	5
11	5
12	8
13	6
14	6
15	8
16	8
17	8
18	8
19	8
20	12
21	9
22	8
23	10
24	11
25	11
26	12
27	12
28	12
29	12
30	12
31	12
32	20
33	12
34	10
35	15
36	17
37	16
38	13
39	18
40	16
41	15
42	20
43	17
44	19
45	20
46	20
47	20
48	20
49	20
50	20
51	20
52	32
53	17
54	16
55	21
56	24
57	25
58	18
59	18
60	32
61	25
62	20
63	21
64	27
65	25
66	26
67	28
68	28
69	23
70	32
71	28
72	24
73	32
74	32
75	25
76	31

[1,1,2,3,3,3,5,4,5,5,5,8,6,6,8,8,8,8,8,12,9,8,10, 11,11,12,12,12,12,12,12,20,12,10,15,17,16,13,18, 16,15,20,17,19,20,20,20,20,20,20,20,32,17,16,21, 24,25,18,18,32,25,20,21,27,25,26,28,28,23,32,28, 24,32,32,25,31]

n	a(n)
1	1
2	1
3	2
4	3
5	3
6	3
7	5
8	4
9	5
10	5
11	5
12	8
13	6
14	6
15	8
16	8
17	8
18	8
19	8
20	12
21	9
22	8
23	10
24	11
25	11
26	12
27	12
28	12
29	12
30	12
31	12
32	20
33	12
34	10
35	15
36	17
37	16
38	13
39	18
40	16
41	15
42	20
43	17
44	19
45	20
46	20
47	20
48	20
49	20
50	20
51	20
52	32
53	17
54	16
55	21
56	24
57	25
58	18
59	18
60	32
61	25
62	20
63	21
64	27
65	25
66	26
67	28
68	28
69	23
70	32
71	28
72	24
73	32
74	32
75	25
76	31

n	a(n)
1	1
2	1
3	2
4	3
5	3
6	3
7	5
8	4
9	5
10	5
11	5
12	8
13	6
14	6
15	8
16	8
17	8
18	8
19	8
20	12
21	9
22	8
23	10
24	11
25	11
26	12
27	12
28	12
29	12
30	12
31	12
32	20
33	12
34	10
35	15
36	17
37	16
38	13
39	18
40	16
41	15
42	20
43	17
44	19
45	20
46	20
47	20
48	20
49	20
50	20
51	20
52	32
53	17
54	16
55	21
56	24
57	25
58	18
59	18
60	32
61	25
62	20
63	21
64	27
65	25
66	26
67	28
68	28
69	23
70	32
71	28
72	24
73	32
74	32
75	25
76	31

n	a(n)
1	1
2	1
3	2
4	3
5	3
6	3
7	5
8	4
9	5
10	5
11	5
12	8
13	6
14	6
15	8
16	8
17	8
18	8
19	8
20	12
21	9
22	8
23	10
24	11
25	11
26	12
27	12
28	12
29	12
30	12
31	12
32	20
33	12
34	10
35	15
36	17
37	16
38	13
39	18
40	16
41	15
42	20
43	17
44	19
45	20
46	20
47	20
48	20
49	20
50	20
51	20
52	32
53	17
54	16
55	21
56	24
57	25
58	18
59	18
60	32
61	25
62	20
63	21
64	27
65	25
66	26
67	28
68	28
69	23
70	32
71	28
72	24
73	32
74	32
75	25
76	31