A330423 - cp's OEIS frontend

A330423 Least nonsquare k that is a quadratic residue modulo n and is coprime to n.

n	a(n)
1	2
2	3
3	7
4	5
5	6
6	7
7	2
8	17
9	7
10	11
11	3
12	13
13	3
14	11
15	19
16	17
17	2
18	7
19	5
20	21
21	22
22	3
23	2
24	73
25	6
26	3
27	7
28	29
29	5
30	19
31	2
32	17
33	31
34	13
35	11
36	13
37	3
38	5
39	10
40	41
41	2
42	37
43	6
44	5
45	19
46	3
47	2
48	73
49	2
50	11
51	13
52	17
53	6
54	7
55	14
56	57
57	7
58	5
59	3
60	61
61	3
62	5
63	22
64	17
65	14
66	31
67	6
68	13
69	13
70	11
71	2
72	73
73	2
74	3
75	19
76	5
77	15

[2, 3, 7, 5, 6, 7, 2, 17, 7, 11, 3, 13, 3, 11, 19, 17, 2, 7, 5, 21, 22, 3, 2, 73, 6, 3, 7, 29, 5, 19, 2, 17, 31, 13, 11, 13, 3, 5, 10, 41, 2, 37, 6, 5, 19, 3, 2, 73, 2, 11, 13, 17, 6, 7, 14, 57, 7, 5, 3, 61, 3, 5, 22, 17, 14, 31, 6, 13, 13, 11, 2, 73, 2, 3, 19, 5, 15]

cp's OEIS Frontend

A330423 Least nonsquare k that is a quadratic residue modulo n and is coprime to n.

Table of values

List of values

n	a(n)
1	2
2	3
3	7
4	5
5	6
6	7
7	2
8	17
9	7
10	11
11	3
12	13
13	3
14	11
15	19
16	17
17	2
18	7
19	5
20	21
21	22
22	3
23	2
24	73
25	6
26	3
27	7
28	29
29	5
30	19
31	2
32	17
33	31
34	13
35	11
36	13
37	3
38	5
39	10
40	41
41	2
42	37
43	6
44	5
45	19
46	3
47	2
48	73
49	2
50	11
51	13
52	17
53	6
54	7
55	14
56	57
57	7
58	5
59	3
60	61
61	3
62	5
63	22
64	17
65	14
66	31
67	6
68	13
69	13
70	11
71	2
72	73
73	2
74	3
75	19
76	5
77	15

n	a(n)
1	2
2	3
3	7
4	5
5	6
6	7
7	2
8	17
9	7
10	11
11	3
12	13
13	3
14	11
15	19
16	17
17	2
18	7
19	5
20	21
21	22
22	3
23	2
24	73
25	6
26	3
27	7
28	29
29	5
30	19
31	2
32	17
33	31
34	13
35	11
36	13
37	3
38	5
39	10
40	41
41	2
42	37
43	6
44	5
45	19
46	3
47	2
48	73
49	2
50	11
51	13
52	17
53	6
54	7
55	14
56	57
57	7
58	5
59	3
60	61
61	3
62	5
63	22
64	17
65	14
66	31
67	6
68	13
69	13
70	11
71	2
72	73
73	2
74	3
75	19
76	5
77	15

n	a(n)
1	2
2	3
3	7
4	5
5	6
6	7
7	2
8	17
9	7
10	11
11	3
12	13
13	3
14	11
15	19
16	17
17	2
18	7
19	5
20	21
21	22
22	3
23	2
24	73
25	6
26	3
27	7
28	29
29	5
30	19
31	2
32	17
33	31
34	13
35	11
36	13
37	3
38	5
39	10
40	41
41	2
42	37
43	6
44	5
45	19
46	3
47	2
48	73
49	2
50	11
51	13
52	17
53	6
54	7
55	14
56	57
57	7
58	5
59	3
60	61
61	3
62	5
63	22
64	17
65	14
66	31
67	6
68	13
69	13
70	11
71	2
72	73
73	2
74	3
75	19
76	5
77	15