A219875 - OEIS

A219875 as a simple table

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

[2,4,4,5,8,5,7,10,10,7,9,14,13,14,9,10,18,18,18, 18,10,12,20,23,25,23,20,12,13,24,26,32,32,26,24, 13,15,26,31,36,41,36,31,26,15,17,30,34,43,46,46, 43,34,30,17,18,34,39,47,55,52,55,47,39,34,18]

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

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

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