A070800 - OEIS

A070800 as a simple table

n	a(n)
2	2
3	3
4	3
5	5
6	3
7	7
8	5
9	7
10	5
11	11
12	5
13	13
14	7
15	11
16	11
17	17
18	7
19	19
20	11
21	13
22	11
23	23
24	11
25	23
26	13
27	19
28	13
29	29
30	11
31	31
32	17
33	23
34	17
35	29
36	13
37	37
38	19
39	29
40	17
41	41
42	13
43	43
44	23
45	29
46	23
47	47
48	17
49	43
50	23
51	37
52	29
53	53
54	19
55	41
56	29
57	37
58	29
59	59
60	17
61	61
62	31
63	37
64	37
65	53
66	23
67	67
68	37
69	47
70	29
71	71
72	29
73	73
74	37

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

n	a(n)
2	2
3	3
4	3
5	5
6	3
7	7
8	5
9	7
10	5
11	11
12	5
13	13
14	7
15	11
16	11
17	17
18	7
19	19
20	11
21	13
22	11
23	23
24	11
25	23
26	13
27	19
28	13
29	29
30	11
31	31
32	17
33	23
34	17
35	29
36	13
37	37
38	19
39	29
40	17
41	41
42	13
43	43
44	23
45	29
46	23
47	47
48	17
49	43
50	23
51	37
52	29
53	53
54	19
55	41
56	29
57	37
58	29
59	59
60	17
61	61
62	31
63	37
64	37
65	53
66	23
67	67
68	37
69	47
70	29
71	71
72	29
73	73
74	37

n	a(n)
2	2
3	3
4	3
5	5
6	3
7	7
8	5
9	7
10	5
11	11
12	5
13	13
14	7
15	11
16	11
17	17
18	7
19	19
20	11
21	13
22	11
23	23
24	11
25	23
26	13
27	19
28	13
29	29
30	11
31	31
32	17
33	23
34	17
35	29
36	13
37	37
38	19
39	29
40	17
41	41
42	13
43	43
44	23
45	29
46	23
47	47
48	17
49	43
50	23
51	37
52	29
53	53
54	19
55	41
56	29
57	37
58	29
59	59
60	17
61	61
62	31
63	37
64	37
65	53
66	23
67	67
68	37
69	47
70	29
71	71
72	29
73	73
74	37

n	a(n)
2	2
3	3
4	3
5	5
6	3
7	7
8	5
9	7
10	5
11	11
12	5
13	13
14	7
15	11
16	11
17	17
18	7
19	19
20	11
21	13
22	11
23	23
24	11
25	23
26	13
27	19
28	13
29	29
30	11
31	31
32	17
33	23
34	17
35	29
36	13
37	37
38	19
39	29
40	17
41	41
42	13
43	43
44	23
45	29
46	23
47	47
48	17
49	43
50	23
51	37
52	29
53	53
54	19
55	41
56	29
57	37
58	29
59	59
60	17
61	61
62	31
63	37
64	37
65	53
66	23
67	67
68	37
69	47
70	29
71	71
72	29
73	73
74	37