A334819 - cp's OEIS frontend

A334819 Largest quadratic nonresidue modulo n (with n >= 3).

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

[2, 3, 3, 5, 6, 7, 8, 8, 10, 11, 11, 13, 14, 15, 14, 17, 18, 19, 20, 21, 22, 23, 23, 24, 26, 27, 27, 29, 30, 31, 32, 31, 34, 35, 35, 37, 38, 39, 38, 41, 42, 43, 44, 45, 46, 47, 48, 48, 50, 51, 51, 53, 54, 55, 56, 56, 58, 59, 59, 61, 62, 63, 63, 65, 66, 67]

cp's OEIS Frontend

A334819 Largest quadratic nonresidue modulo n (with n >= 3).

Table of values

List of values

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

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

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