A329586 - cp's OEIS frontend

A329586 Row lengths of A329585: number of solutions of the congruences x^2 == +1 (mod n) or (inclusive) x^2 == -1 (mod n), for n >= 1.

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

[1, 2, 2, 2, 4, 2, 2, 4, 2, 4, 2, 4, 4, 2, 4, 4, 4, 2, 2, 4, 4, 2, 2, 8, 4, 4, 2, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 2, 4, 8, 4, 4, 2, 4, 4, 2, 2, 8, 2, 4, 4, 4, 4, 2, 4, 8, 4, 4, 2, 8, 4, 2, 4, 4, 8, 4, 2, 4, 4, 4]

cp's OEIS Frontend

A329586 Row lengths of A329585: number of solutions of the congruences x^2 == +1 (mod n) or (inclusive) x^2 == -1 (mod n), for n >= 1.

Table of values

List of values

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

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

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