A373088 - cp's OEIS frontend

A373088 a(n) = min{k : KroneckerSymbol(n, k) = -1} if n is not a square, 0 otherwise.

n	a(n)
0	0
1	0
2	3
3	2
4	0
5	2
6	7
7	5
8	3
9	0
10	7
11	2
12	5
13	2
14	3
15	13
16	0
17	3
18	5
19	2
20	3
21	2
22	5
23	3
24	7
25	0
26	3
27	2
28	5
29	2
30	11
31	7
32	3
33	5
34	7
35	2
36	0
37	2
38	3
39	11
40	7
41	3
42	5
43	2
44	3
45	2
46	11
47	3
48	5
49	0
50	3
51	2
52	5
53	2
54	7
55	7
56	3
57	5
58	5
59	2
60	13
61	2
62	3
63	5
64	0
65	3
66	7
67	2
68	3
69	2
70	13
71	3
72	5
73	5
74	3
75	2
76	7
77	2
78	5
79	11
80	3
81	0
82	5
83	2

[0, 0, 3, 2, 0, 2, 7, 5, 3, 0, 7, 2, 5, 2, 3, 13, 0, 3, 5, 2, 3, 2, 5, 3, 7, 0, 3, 2, 5, 2, 11, 7, 3, 5, 7, 2, 0, 2, 3, 11, 7, 3, 5, 2, 3, 2, 11, 3, 5, 0, 3, 2, 5, 2, 7, 7, 3, 5, 5, 2, 13, 2, 3, 5, 0, 3, 7, 2, 3, 2, 13, 3, 5, 5, 3, 2, 7, 2, 5, 11, 3, 0, 5, 2]

cp's OEIS Frontend

A373088 a(n) = min{k : KroneckerSymbol(n, k) = -1} if n is not a square, 0 otherwise.

Table of values

List of values

n	a(n)
0	0
1	0
2	3
3	2
4	0
5	2
6	7
7	5
8	3
9	0
10	7
11	2
12	5
13	2
14	3
15	13
16	0
17	3
18	5
19	2
20	3
21	2
22	5
23	3
24	7
25	0
26	3
27	2
28	5
29	2
30	11
31	7
32	3
33	5
34	7
35	2
36	0
37	2
38	3
39	11
40	7
41	3
42	5
43	2
44	3
45	2
46	11
47	3
48	5
49	0
50	3
51	2
52	5
53	2
54	7
55	7
56	3
57	5
58	5
59	2
60	13
61	2
62	3
63	5
64	0
65	3
66	7
67	2
68	3
69	2
70	13
71	3
72	5
73	5
74	3
75	2
76	7
77	2
78	5
79	11
80	3
81	0
82	5
83	2

n	a(n)
0	0
1	0
2	3
3	2
4	0
5	2
6	7
7	5
8	3
9	0
10	7
11	2
12	5
13	2
14	3
15	13
16	0
17	3
18	5
19	2
20	3
21	2
22	5
23	3
24	7
25	0
26	3
27	2
28	5
29	2
30	11
31	7
32	3
33	5
34	7
35	2
36	0
37	2
38	3
39	11
40	7
41	3
42	5
43	2
44	3
45	2
46	11
47	3
48	5
49	0
50	3
51	2
52	5
53	2
54	7
55	7
56	3
57	5
58	5
59	2
60	13
61	2
62	3
63	5
64	0
65	3
66	7
67	2
68	3
69	2
70	13
71	3
72	5
73	5
74	3
75	2
76	7
77	2
78	5
79	11
80	3
81	0
82	5
83	2

n	a(n)
0	0
1	0
2	3
3	2
4	0
5	2
6	7
7	5
8	3
9	0
10	7
11	2
12	5
13	2
14	3
15	13
16	0
17	3
18	5
19	2
20	3
21	2
22	5
23	3
24	7
25	0
26	3
27	2
28	5
29	2
30	11
31	7
32	3
33	5
34	7
35	2
36	0
37	2
38	3
39	11
40	7
41	3
42	5
43	2
44	3
45	2
46	11
47	3
48	5
49	0
50	3
51	2
52	5
53	2
54	7
55	7
56	3
57	5
58	5
59	2
60	13
61	2
62	3
63	5
64	0
65	3
66	7
67	2
68	3
69	2
70	13
71	3
72	5
73	5
74	3
75	2
76	7
77	2
78	5
79	11
80	3
81	0
82	5
83	2