A257371 - OEIS

A257371 as a simple table

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

[3,3,5,5,5,7,8,8,8,8,8,9,12,12,12,15,15,15,17,17, 18,18,18,19,29,29,31,31,31,31,31,33,34,34,35,35, 35,37,37,37,37,37,37,38,41,40,41,41,49,49,49,49, 49,49,51,52,53,53,55,59,59,59,62,62,63,63,65,65]

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

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

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