A205847 - OEIS

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A205847 as a simple table

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

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

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

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

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