A331959 - OEIS

A331959 as a simple table

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

[2,3,2,5,3,7,2,3,5,11,3,13,7,7,5,17,3,19,5,7,11, 23,3,5,13,13,7,29,7,31,5,11,17,17,7,37,19,19,13, 41,7,43,11,11,23,47,5,7,7,17,17,53,13,13,11,19,29, 59,7,61,31,31,7,13,13,67,17,23,23,71,7,73]

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

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

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