A334194 - OEIS

A334194 as a simple table

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

[1,3,1,5,-1,5,5,7,3,11,5,11,11,13,9,17,11,17,17, 19,-1,19,17,17,19,23,17,29,19,27,25,25,27,31,13, 35,35,37,33,41,35,41,41,43,23,43,41,41,43,47,17, 49,47,47,49,53,47,59,49,57,55,55,57]

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

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

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