A076272 - OEIS

A076272 as a simple table

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	5
8	5
9	5
10	5
11	7
12	7
13	7
14	7
15	7
16	7
17	11
18	11
19	11
20	11
21	11
22	11
23	13
24	13
25	13
26	13
27	13
28	13
29	17
30	17
31	17
32	17
33	17
34	17
35	19
36	19
37	19
38	19
39	19
40	19
41	23
42	23
43	23
44	23
45	23
46	23
47	23
48	23
49	23
50	23
51	29
52	29
53	29
54	29
55	29
56	29
57	29
58	29
59	31
60	31
61	31
62	31
63	31
64	31
65	31
66	31
67	37
68	37
69	37
70	37
71	37
72	37
73	37
74	37

[1,2,2,3,3,3,5,5,5,5,7,7,7,7,7,7,11,11,11,11,11, 11,13,13,13,13,13,13,17,17,17,17,17,17,19,19,19, 19,19,19,23,23,23,23,23,23,23,23,23,23,29,29,29, 29,29,29,29,29,31,31,31,31,31,31,31,31,37,37,37, 37,37,37,37,37]

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	5
8	5
9	5
10	5
11	7
12	7
13	7
14	7
15	7
16	7
17	11
18	11
19	11
20	11
21	11
22	11
23	13
24	13
25	13
26	13
27	13
28	13
29	17
30	17
31	17
32	17
33	17
34	17
35	19
36	19
37	19
38	19
39	19
40	19
41	23
42	23
43	23
44	23
45	23
46	23
47	23
48	23
49	23
50	23
51	29
52	29
53	29
54	29
55	29
56	29
57	29
58	29
59	31
60	31
61	31
62	31
63	31
64	31
65	31
66	31
67	37
68	37
69	37
70	37
71	37
72	37
73	37
74	37

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	5
8	5
9	5
10	5
11	7
12	7
13	7
14	7
15	7
16	7
17	11
18	11
19	11
20	11
21	11
22	11
23	13
24	13
25	13
26	13
27	13
28	13
29	17
30	17
31	17
32	17
33	17
34	17
35	19
36	19
37	19
38	19
39	19
40	19
41	23
42	23
43	23
44	23
45	23
46	23
47	23
48	23
49	23
50	23
51	29
52	29
53	29
54	29
55	29
56	29
57	29
58	29
59	31
60	31
61	31
62	31
63	31
64	31
65	31
66	31
67	37
68	37
69	37
70	37
71	37
72	37
73	37
74	37

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	5
8	5
9	5
10	5
11	7
12	7
13	7
14	7
15	7
16	7
17	11
18	11
19	11
20	11
21	11
22	11
23	13
24	13
25	13
26	13
27	13
28	13
29	17
30	17
31	17
32	17
33	17
34	17
35	19
36	19
37	19
38	19
39	19
40	19
41	23
42	23
43	23
44	23
45	23
46	23
47	23
48	23
49	23
50	23
51	29
52	29
53	29
54	29
55	29
56	29
57	29
58	29
59	31
60	31
61	31
62	31
63	31
64	31
65	31
66	31
67	37
68	37
69	37
70	37
71	37
72	37
73	37
74	37