A205687 - OEIS

A205687 as a simple table

n	a(n)
1	2
2	3
3	2
4	7
5	3
6	13
7	19
8	11
9	2
10	7
11	17
12	11
13	31
14	3
15	13
16	23
17	2
18	7
19	17
20	37
21	3
22	13
23	23
24	43
25	19
26	29
27	11
28	31
29	41
30	2
31	7
32	17
33	37
34	47
35	11
36	31
37	41
38	61
39	3
40	13
41	23
42	43
43	53
44	19
45	29
46	59
47	3
48	13
49	23
50	43
51	53
52	73
53	19
54	29
55	59
56	79
57	2
58	7
59	17
60	37
61	47
62	67
63	11
64	31
65	41
66	61
67	71
68	3
69	13
70	23
71	43
72	53

[2,3,2,7,3,13,19,11,2,7,17,11,31,3,13,23,2,7,17, 37,3,13,23,43,19,29,11,31,41,2,7,17,37,47,11,31, 41,61,3,13,23,43,53,19,29,59,3,13,23,43,53,73,19, 29,59,79,2,7,17,37,47,67,11,31,41,61,71,3,13,23, 43,53]

n	a(n)
1	2
2	3
3	2
4	7
5	3
6	13
7	19
8	11
9	2
10	7
11	17
12	11
13	31
14	3
15	13
16	23
17	2
18	7
19	17
20	37
21	3
22	13
23	23
24	43
25	19
26	29
27	11
28	31
29	41
30	2
31	7
32	17
33	37
34	47
35	11
36	31
37	41
38	61
39	3
40	13
41	23
42	43
43	53
44	19
45	29
46	59
47	3
48	13
49	23
50	43
51	53
52	73
53	19
54	29
55	59
56	79
57	2
58	7
59	17
60	37
61	47
62	67
63	11
64	31
65	41
66	61
67	71
68	3
69	13
70	23
71	43
72	53

n	a(n)
1	2
2	3
3	2
4	7
5	3
6	13
7	19
8	11
9	2
10	7
11	17
12	11
13	31
14	3
15	13
16	23
17	2
18	7
19	17
20	37
21	3
22	13
23	23
24	43
25	19
26	29
27	11
28	31
29	41
30	2
31	7
32	17
33	37
34	47
35	11
36	31
37	41
38	61
39	3
40	13
41	23
42	43
43	53
44	19
45	29
46	59
47	3
48	13
49	23
50	43
51	53
52	73
53	19
54	29
55	59
56	79
57	2
58	7
59	17
60	37
61	47
62	67
63	11
64	31
65	41
66	61
67	71
68	3
69	13
70	23
71	43
72	53

n	a(n)
1	2
2	3
3	2
4	7
5	3
6	13
7	19
8	11
9	2
10	7
11	17
12	11
13	31
14	3
15	13
16	23
17	2
18	7
19	17
20	37
21	3
22	13
23	23
24	43
25	19
26	29
27	11
28	31
29	41
30	2
31	7
32	17
33	37
34	47
35	11
36	31
37	41
38	61
39	3
40	13
41	23
42	43
43	53
44	19
45	29
46	59
47	3
48	13
49	23
50	43
51	53
52	73
53	19
54	29
55	59
56	79
57	2
58	7
59	17
60	37
61	47
62	67
63	11
64	31
65	41
66	61
67	71
68	3
69	13
70	23
71	43
72	53