A088965 - cp's OEIS frontend

A088965 Number of solutions to x^2 + 2y^2 == 1 (mod n).

n	a(n)
1	1
2	2
3	2
4	4
5	6
6	4
7	8
8	16
9	6
10	12
11	10
12	8
13	14
14	16
15	12
16	32
17	16
18	12
19	18
20	24
21	16
22	20
23	24
24	32
25	30
26	28
27	18
28	32
29	30
30	24
31	32
32	64
33	20
34	32
35	48
36	24
37	38
38	36
39	28
40	96
41	40
42	32
43	42
44	40
45	36
46	48
47	48
48	64
49	56
50	60
51	32
52	56
53	54
54	36
55	60
56	128
57	36
58	60
59	58
60	48
61	62
62	64
63	48
64	128
65	84
66	40
67	66
68	64
69	48
70	96

[1, 2, 2, 4, 6, 4, 8, 16, 6, 12, 10, 8, 14, 16, 12, 32, 16, 12, 18, 24, 16, 20, 24, 32, 30, 28, 18, 32, 30, 24, 32, 64, 20, 32, 48, 24, 38, 36, 28, 96, 40, 32, 42, 40, 36, 48, 48, 64, 56, 60, 32, 56, 54, 36, 60, 128, 36, 60, 58, 48, 62, 64, 48, 128, 84, 40, 66, 64, 48, 96]

cp's OEIS Frontend

A088965 Number of solutions to x^2 + 2y^2 == 1 (mod n).

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	4
5	6
6	4
7	8
8	16
9	6
10	12
11	10
12	8
13	14
14	16
15	12
16	32
17	16
18	12
19	18
20	24
21	16
22	20
23	24
24	32
25	30
26	28
27	18
28	32
29	30
30	24
31	32
32	64
33	20
34	32
35	48
36	24
37	38
38	36
39	28
40	96
41	40
42	32
43	42
44	40
45	36
46	48
47	48
48	64
49	56
50	60
51	32
52	56
53	54
54	36
55	60
56	128
57	36
58	60
59	58
60	48
61	62
62	64
63	48
64	128
65	84
66	40
67	66
68	64
69	48
70	96

n	a(n)
1	1
2	2
3	2
4	4
5	6
6	4
7	8
8	16
9	6
10	12
11	10
12	8
13	14
14	16
15	12
16	32
17	16
18	12
19	18
20	24
21	16
22	20
23	24
24	32
25	30
26	28
27	18
28	32
29	30
30	24
31	32
32	64
33	20
34	32
35	48
36	24
37	38
38	36
39	28
40	96
41	40
42	32
43	42
44	40
45	36
46	48
47	48
48	64
49	56
50	60
51	32
52	56
53	54
54	36
55	60
56	128
57	36
58	60
59	58
60	48
61	62
62	64
63	48
64	128
65	84
66	40
67	66
68	64
69	48
70	96

n	a(n)
1	1
2	2
3	2
4	4
5	6
6	4
7	8
8	16
9	6
10	12
11	10
12	8
13	14
14	16
15	12
16	32
17	16
18	12
19	18
20	24
21	16
22	20
23	24
24	32
25	30
26	28
27	18
28	32
29	30
30	24
31	32
32	64
33	20
34	32
35	48
36	24
37	38
38	36
39	28
40	96
41	40
42	32
43	42
44	40
45	36
46	48
47	48
48	64
49	56
50	60
51	32
52	56
53	54
54	36
55	60
56	128
57	36
58	60
59	58
60	48
61	62
62	64
63	48
64	128
65	84
66	40
67	66
68	64
69	48
70	96