A076235 - OEIS

A076235 as a simple table

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	2
7	3
8	3
9	3
10	3
11	4
12	5
13	6
14	5
15	6
16	6
17	7
18	7
19	8
20	9
21	12
22	10
23	11
24	11
25	11
26	11
27	12
28	15
29	16
30	8
31	9
32	9
33	9
34	9
35	9
36	9
37	10
38	10
39	10
40	10
41	11
42	11
43	12
44	12
45	12
46	12
47	13
48	13
49	28
50	29
51	29
52	30
53	31
54	31
55	15
56	15
57	15
58	15
59	16
60	17
61	18
62	18
63	18
64	18
65	19
66	19
67	20
68	20
69	20
70	20
71	21
72	21
73	22
74	22
75	22
76	22
77	22
78	22

[0,1,2,2,3,2,3,3,3,3,4,5,6,5,6,6,7,7,8,9,12,10,11, 11,11,11,12,15,16,8,9,9,9,9,9,9,10,10,10,10,11,11, 12,12,12,12,13,13,28,29,29,30,31,31,15,15,15,15, 16,17,18,18,18,18,19,19,20,20,20,20,21,21,22,22, 22,22,22,22]

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	2
7	3
8	3
9	3
10	3
11	4
12	5
13	6
14	5
15	6
16	6
17	7
18	7
19	8
20	9
21	12
22	10
23	11
24	11
25	11
26	11
27	12
28	15
29	16
30	8
31	9
32	9
33	9
34	9
35	9
36	9
37	10
38	10
39	10
40	10
41	11
42	11
43	12
44	12
45	12
46	12
47	13
48	13
49	28
50	29
51	29
52	30
53	31
54	31
55	15
56	15
57	15
58	15
59	16
60	17
61	18
62	18
63	18
64	18
65	19
66	19
67	20
68	20
69	20
70	20
71	21
72	21
73	22
74	22
75	22
76	22
77	22
78	22

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	2
7	3
8	3
9	3
10	3
11	4
12	5
13	6
14	5
15	6
16	6
17	7
18	7
19	8
20	9
21	12
22	10
23	11
24	11
25	11
26	11
27	12
28	15
29	16
30	8
31	9
32	9
33	9
34	9
35	9
36	9
37	10
38	10
39	10
40	10
41	11
42	11
43	12
44	12
45	12
46	12
47	13
48	13
49	28
50	29
51	29
52	30
53	31
54	31
55	15
56	15
57	15
58	15
59	16
60	17
61	18
62	18
63	18
64	18
65	19
66	19
67	20
68	20
69	20
70	20
71	21
72	21
73	22
74	22
75	22
76	22
77	22
78	22

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	2
7	3
8	3
9	3
10	3
11	4
12	5
13	6
14	5
15	6
16	6
17	7
18	7
19	8
20	9
21	12
22	10
23	11
24	11
25	11
26	11
27	12
28	15
29	16
30	8
31	9
32	9
33	9
34	9
35	9
36	9
37	10
38	10
39	10
40	10
41	11
42	11
43	12
44	12
45	12
46	12
47	13
48	13
49	28
50	29
51	29
52	30
53	31
54	31
55	15
56	15
57	15
58	15
59	16
60	17
61	18
62	18
63	18
64	18
65	19
66	19
67	20
68	20
69	20
70	20
71	21
72	21
73	22
74	22
75	22
76	22
77	22
78	22