A308048 - OEIS

A308048 as a simple table

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

[-1,0,1,2,2,3,2,3,4,5,4,5,6,7,4,5,6,7,8,9,10,11, 10,11,12,13,10,11,12,13,14,15,16,17,16,17,18,19, 16,17,18,19,20,21,22,23,18,19,20,21,22,23,24,25, 26,27,28,29,28,29,30,31,26,27,28,29,30,31,32]

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

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

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