A154727 - OEIS

A154727 as a simple table

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

[1,2,3,3,5,3,7,5,7,3,11,3,5,11,13,5,7,11,13,3,7, 13,17,3,5,17,19,5,7,11,13,17,19,3,7,19,23,5,11,17, 23,7,11,13,17,19,23,3,13,19,29,3,5,11,23,29,31,5, 7,13,17,19,23,29,31,7,31,3,11,17]

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

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

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