A087694 - cp's OEIS frontend

A087694 Number of solutions to x^2 + xy + y^2 == 0 (mod n).

n	a(n)
1	1
2	1
3	3
4	4
5	1
6	3
7	13
8	4
9	9
10	1
11	1
12	12
13	25
14	13
15	3
16	16
17	1
18	9
19	37
20	4
21	39
22	1
23	1
24	12
25	25
26	25
27	27
28	52
29	1
30	3
31	61
32	16
33	3
34	1
35	13
36	36
37	73
38	37
39	75
40	4
41	1
42	39
43	85
44	4
45	9
46	1
47	1
48	48
49	133
50	25
51	3
52	100
53	1
54	27
55	1
56	52
57	111
58	1
59	1
60	12
61	121
62	61
63	117
64	64
65	25
66	3
67	133
68	4
69	3
70	13

[1, 1, 3, 4, 1, 3, 13, 4, 9, 1, 1, 12, 25, 13, 3, 16, 1, 9, 37, 4, 39, 1, 1, 12, 25, 25, 27, 52, 1, 3, 61, 16, 3, 1, 13, 36, 73, 37, 75, 4, 1, 39, 85, 4, 9, 1, 1, 48, 133, 25, 3, 100, 1, 27, 1, 52, 111, 1, 1, 12, 121, 61, 117, 64, 25, 3, 133, 4, 3, 13]

cp's OEIS Frontend

A087694 Number of solutions to x^2 + xy + y^2 == 0 (mod n).

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	4
5	1
6	3
7	13
8	4
9	9
10	1
11	1
12	12
13	25
14	13
15	3
16	16
17	1
18	9
19	37
20	4
21	39
22	1
23	1
24	12
25	25
26	25
27	27
28	52
29	1
30	3
31	61
32	16
33	3
34	1
35	13
36	36
37	73
38	37
39	75
40	4
41	1
42	39
43	85
44	4
45	9
46	1
47	1
48	48
49	133
50	25
51	3
52	100
53	1
54	27
55	1
56	52
57	111
58	1
59	1
60	12
61	121
62	61
63	117
64	64
65	25
66	3
67	133
68	4
69	3
70	13

n	a(n)
1	1
2	1
3	3
4	4
5	1
6	3
7	13
8	4
9	9
10	1
11	1
12	12
13	25
14	13
15	3
16	16
17	1
18	9
19	37
20	4
21	39
22	1
23	1
24	12
25	25
26	25
27	27
28	52
29	1
30	3
31	61
32	16
33	3
34	1
35	13
36	36
37	73
38	37
39	75
40	4
41	1
42	39
43	85
44	4
45	9
46	1
47	1
48	48
49	133
50	25
51	3
52	100
53	1
54	27
55	1
56	52
57	111
58	1
59	1
60	12
61	121
62	61
63	117
64	64
65	25
66	3
67	133
68	4
69	3
70	13

n	a(n)
1	1
2	1
3	3
4	4
5	1
6	3
7	13
8	4
9	9
10	1
11	1
12	12
13	25
14	13
15	3
16	16
17	1
18	9
19	37
20	4
21	39
22	1
23	1
24	12
25	25
26	25
27	27
28	52
29	1
30	3
31	61
32	16
33	3
34	1
35	13
36	36
37	73
38	37
39	75
40	4
41	1
42	39
43	85
44	4
45	9
46	1
47	1
48	48
49	133
50	25
51	3
52	100
53	1
54	27
55	1
56	52
57	111
58	1
59	1
60	12
61	121
62	61
63	117
64	64
65	25
66	3
67	133
68	4
69	3
70	13