A076605 - OEIS

A076605 as a simple table

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

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

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

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

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

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