A376646 - cp's OEIS frontend

A376646 Number of solutions to x + y == x^2 + y^2 (mod n) with x <= y.

n	a(n)
1	1
2	3
3	3
4	6
5	3
6	10
7	5
8	10
9	7
10	10
11	7
12	20
13	7
14	18
15	10
16	18
17	9
18	26
19	11
20	20
21	18
22	26
23	13
24	36
25	11
26	26
27	19
28	36
29	15
30	36
31	17
32	34
33	26
34	34
35	18
36	52
37	19
38	42
39	26
40	36
41	21
42	68
43	23
44	52
45	26
46	50
47	25
48	68
49	29
50	42
51	34
52	52
53	27
54	74
55	26
56	68
57	42
58	58
59	31
60	72
61	31
62	66
63	50
64	66
65	26
66	100
67	35
68	68
69	50
70	68

[1, 3, 3, 6, 3, 10, 5, 10, 7, 10, 7, 20, 7, 18, 10, 18, 9, 26, 11, 20, 18, 26, 13, 36, 11, 26, 19, 36, 15, 36, 17, 34, 26, 34, 18, 52, 19, 42, 26, 36, 21, 68, 23, 52, 26, 50, 25, 68, 29, 42, 34, 52, 27, 74, 26, 68, 42, 58, 31, 72, 31, 66, 50, 66, 26, 100, 35, 68, 50, 68]

cp's OEIS Frontend

A376646 Number of solutions to x + y == x^2 + y^2 (mod n) with x <= y.

Table of values

List of values

n	a(n)
1	1
2	3
3	3
4	6
5	3
6	10
7	5
8	10
9	7
10	10
11	7
12	20
13	7
14	18
15	10
16	18
17	9
18	26
19	11
20	20
21	18
22	26
23	13
24	36
25	11
26	26
27	19
28	36
29	15
30	36
31	17
32	34
33	26
34	34
35	18
36	52
37	19
38	42
39	26
40	36
41	21
42	68
43	23
44	52
45	26
46	50
47	25
48	68
49	29
50	42
51	34
52	52
53	27
54	74
55	26
56	68
57	42
58	58
59	31
60	72
61	31
62	66
63	50
64	66
65	26
66	100
67	35
68	68
69	50
70	68

n	a(n)
1	1
2	3
3	3
4	6
5	3
6	10
7	5
8	10
9	7
10	10
11	7
12	20
13	7
14	18
15	10
16	18
17	9
18	26
19	11
20	20
21	18
22	26
23	13
24	36
25	11
26	26
27	19
28	36
29	15
30	36
31	17
32	34
33	26
34	34
35	18
36	52
37	19
38	42
39	26
40	36
41	21
42	68
43	23
44	52
45	26
46	50
47	25
48	68
49	29
50	42
51	34
52	52
53	27
54	74
55	26
56	68
57	42
58	58
59	31
60	72
61	31
62	66
63	50
64	66
65	26
66	100
67	35
68	68
69	50
70	68

n	a(n)
1	1
2	3
3	3
4	6
5	3
6	10
7	5
8	10
9	7
10	10
11	7
12	20
13	7
14	18
15	10
16	18
17	9
18	26
19	11
20	20
21	18
22	26
23	13
24	36
25	11
26	26
27	19
28	36
29	15
30	36
31	17
32	34
33	26
34	34
35	18
36	52
37	19
38	42
39	26
40	36
41	21
42	68
43	23
44	52
45	26
46	50
47	25
48	68
49	29
50	42
51	34
52	52
53	27
54	74
55	26
56	68
57	42
58	58
59	31
60	72
61	31
62	66
63	50
64	66
65	26
66	100
67	35
68	68
69	50
70	68