A147847 - OEIS

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A147847 as a simple table

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

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

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

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

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