A046071 - cp's OEIS frontend

A046071 Triangle of nonzero quadratic residues mod n.

n	a(n)
2	1
3	1
4	1
5	1
6	4
7	1
8	3
9	4
10	1
11	2
12	4
13	1
14	4
15	1
16	4
17	7
18	1
19	4
20	5
21	6
22	9
23	1
24	3
25	4
26	5
27	9
28	1
29	4
30	9
31	1
32	3
33	4
34	9
35	10
36	12
37	1
38	2
39	4
40	7
41	8
42	9
43	11
44	1
45	4
46	6
47	9
48	10
49	1
50	4
51	9
52	1
53	2
54	4
55	8
56	9
57	13
58	15
59	16
60	1
61	4
62	7
63	9
64	10
65	13
66	16
67	1
68	4
69	5
70	6
71	7
72	9
73	11
74	16
75	17
76	1
77	4
78	5
79	9
80	16
81	1
82	4
83	7
84	9
85	15
86	16
87	18
88	1
89	3
90	4
91	5
92	9
93	11
94	12

[1, 1, 1, 1, 4, 1, 3, 4, 1, 2, 4, 1, 4, 1, 4, 7, 1, 4, 5, 6, 9, 1, 3, 4, 5, 9, 1, 4, 9, 1, 3, 4, 9, 10, 12, 1, 2, 4, 7, 8, 9, 11, 1, 4, 6, 9, 10, 1, 4, 9, 1, 2, 4, 8, 9, 13, 15, 16, 1, 4, 7, 9, 10, 13, 16, 1, 4, 5, 6, 7, 9, 11, 16, 17, 1, 4, 5, 9, 16, 1, 4, 7, 9, 15, 16, 18, 1, 3, 4, 5, 9, 11, 12]

cp's OEIS Frontend

A046071 Triangle of nonzero quadratic residues mod n.

Table of values

List of values

n	a(n)
2	1
3	1
4	1
5	1
6	4
7	1
8	3
9	4
10	1
11	2
12	4
13	1
14	4
15	1
16	4
17	7
18	1
19	4
20	5
21	6
22	9
23	1
24	3
25	4
26	5
27	9
28	1
29	4
30	9
31	1
32	3
33	4
34	9
35	10
36	12
37	1
38	2
39	4
40	7
41	8
42	9
43	11
44	1
45	4
46	6
47	9
48	10
49	1
50	4
51	9
52	1
53	2
54	4
55	8
56	9
57	13
58	15
59	16
60	1
61	4
62	7
63	9
64	10
65	13
66	16
67	1
68	4
69	5
70	6
71	7
72	9
73	11
74	16
75	17
76	1
77	4
78	5
79	9
80	16
81	1
82	4
83	7
84	9
85	15
86	16
87	18
88	1
89	3
90	4
91	5
92	9
93	11
94	12

n	a(n)
2	1
3	1
4	1
5	1
6	4
7	1
8	3
9	4
10	1
11	2
12	4
13	1
14	4
15	1
16	4
17	7
18	1
19	4
20	5
21	6
22	9
23	1
24	3
25	4
26	5
27	9
28	1
29	4
30	9
31	1
32	3
33	4
34	9
35	10
36	12
37	1
38	2
39	4
40	7
41	8
42	9
43	11
44	1
45	4
46	6
47	9
48	10
49	1
50	4
51	9
52	1
53	2
54	4
55	8
56	9
57	13
58	15
59	16
60	1
61	4
62	7
63	9
64	10
65	13
66	16
67	1
68	4
69	5
70	6
71	7
72	9
73	11
74	16
75	17
76	1
77	4
78	5
79	9
80	16
81	1
82	4
83	7
84	9
85	15
86	16
87	18
88	1
89	3
90	4
91	5
92	9
93	11
94	12

n	a(n)
2	1
3	1
4	1
5	1
6	4
7	1
8	3
9	4
10	1
11	2
12	4
13	1
14	4
15	1
16	4
17	7
18	1
19	4
20	5
21	6
22	9
23	1
24	3
25	4
26	5
27	9
28	1
29	4
30	9
31	1
32	3
33	4
34	9
35	10
36	12
37	1
38	2
39	4
40	7
41	8
42	9
43	11
44	1
45	4
46	6
47	9
48	10
49	1
50	4
51	9
52	1
53	2
54	4
55	8
56	9
57	13
58	15
59	16
60	1
61	4
62	7
63	9
64	10
65	13
66	16
67	1
68	4
69	5
70	6
71	7
72	9
73	11
74	16
75	17
76	1
77	4
78	5
79	9
80	16
81	1
82	4
83	7
84	9
85	15
86	16
87	18
88	1
89	3
90	4
91	5
92	9
93	11
94	12