A263027 - OEIS

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A263027 as a simple table

n	a(n)
1	2
2	2
3	3
4	3
5	5
6	3
7	7
8	3
9	7
10	5
11	11
12	3
13	13
14	7
15	5
16	5
17	17
18	7
19	19
20	5
21	7
22	11
23	23
24	3
25	21
26	13
27	19
28	7
29	29
30	5
31	31
32	9
33	11
34	17
35	13
36	7
37	37
38	19
39	13
40	5
41	41
42	7
43	43
44	11
45	13
46	23
47	47
48	5
49	43
50	21
51	17
52	13
53	53
54	19
55	21
56	7
57	19
58	29
59	59
60	5
61	61
62	31
63	7
64	17
65	13
66	11
67	67
68	17
69	23
70	13
71	71
72	7

[2,2,3,3,5,3,7,3,7,5,11,3,13,7,5,5,17,7,19,5,7,11, 23,3,21,13,19,7,29,5,31,9,11,17,13,7,37,19,13,5, 41,7,43,11,13,23,47,5,43,21,17,13,53,19,21,7,19, 29,59,5,61,31,7,17,13,11,67,17,23,13,71,7]

n	a(n)
1	2
2	2
3	3
4	3
5	5
6	3
7	7
8	3
9	7
10	5
11	11
12	3
13	13
14	7
15	5
16	5
17	17
18	7
19	19
20	5
21	7
22	11
23	23
24	3
25	21
26	13
27	19
28	7
29	29
30	5
31	31
32	9
33	11
34	17
35	13
36	7
37	37
38	19
39	13
40	5
41	41
42	7
43	43
44	11
45	13
46	23
47	47
48	5
49	43
50	21
51	17
52	13
53	53
54	19
55	21
56	7
57	19
58	29
59	59
60	5
61	61
62	31
63	7
64	17
65	13
66	11
67	67
68	17
69	23
70	13
71	71
72	7

n	a(n)
1	2
2	2
3	3
4	3
5	5
6	3
7	7
8	3
9	7
10	5
11	11
12	3
13	13
14	7
15	5
16	5
17	17
18	7
19	19
20	5
21	7
22	11
23	23
24	3
25	21
26	13
27	19
28	7
29	29
30	5
31	31
32	9
33	11
34	17
35	13
36	7
37	37
38	19
39	13
40	5
41	41
42	7
43	43
44	11
45	13
46	23
47	47
48	5
49	43
50	21
51	17
52	13
53	53
54	19
55	21
56	7
57	19
58	29
59	59
60	5
61	61
62	31
63	7
64	17
65	13
66	11
67	67
68	17
69	23
70	13
71	71
72	7

n	a(n)
1	2
2	2
3	3
4	3
5	5
6	3
7	7
8	3
9	7
10	5
11	11
12	3
13	13
14	7
15	5
16	5
17	17
18	7
19	19
20	5
21	7
22	11
23	23
24	3
25	21
26	13
27	19
28	7
29	29
30	5
31	31
32	9
33	11
34	17
35	13
36	7
37	37
38	19
39	13
40	5
41	41
42	7
43	43
44	11
45	13
46	23
47	47
48	5
49	43
50	21
51	17
52	13
53	53
54	19
55	21
56	7
57	19
58	29
59	59
60	5
61	61
62	31
63	7
64	17
65	13
66	11
67	67
68	17
69	23
70	13
71	71
72	7