A073103 - cp's OEIS frontend

A073103 Number of solutions to x^4 == 1 (mod n).

n	a(n)
1	1
2	1
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	8
16	8
17	4
18	2
19	2
20	8
21	4
22	2
23	2
24	8
25	4
26	4
27	2
28	4
29	4
30	8
31	2
32	8
33	4
34	4
35	8
36	4
37	4
38	2
39	8
40	16
41	4
42	4
43	2
44	4
45	8
46	2
47	2
48	16
49	2
50	4
51	8
52	8
53	4
54	2
55	8
56	8
57	4
58	4
59	2
60	16
61	4
62	2
63	4
64	8
65	16
66	4
67	2
68	8
69	4
70	8
71	2
72	8
73	4
74	4
75	8
76	4
77	4
78	8
79	2
80	32
81	2
82	4
83	2
84	8
85	16
86	2
87	8
88	8
89	4
90	8
91	8
92	4
93	4
94	2
95	8
96	16
97	4
98	2
99	4
100	8

[1, 1, 2, 2, 4, 2, 2, 4, 2, 4, 2, 4, 4, 2, 8, 8, 4, 2, 2, 8, 4, 2, 2, 8, 4, 4, 2, 4, 4, 8, 2, 8, 4, 4, 8, 4, 4, 2, 8, 16, 4, 4, 2, 4, 8, 2, 2, 16, 2, 4, 8, 8, 4, 2, 8, 8, 4, 4, 2, 16, 4, 2, 4, 8, 16, 4, 2, 8, 4, 8, 2, 8, 4, 4, 8, 4, 4, 8, 2, 32, 2, 4, 2, 8, 16, 2, 8, 8, 4, 8, 8, 4, 4, 2, 8, 16, 4, 2, 4, 8]

cp's OEIS Frontend

A073103 Number of solutions to x^4 == 1 (mod n).

Table of values

List of values

n	a(n)
1	1
2	1
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	8
16	8
17	4
18	2
19	2
20	8
21	4
22	2
23	2
24	8
25	4
26	4
27	2
28	4
29	4
30	8
31	2
32	8
33	4
34	4
35	8
36	4
37	4
38	2
39	8
40	16
41	4
42	4
43	2
44	4
45	8
46	2
47	2
48	16
49	2
50	4
51	8
52	8
53	4
54	2
55	8
56	8
57	4
58	4
59	2
60	16
61	4
62	2
63	4
64	8
65	16
66	4
67	2
68	8
69	4
70	8
71	2
72	8
73	4
74	4
75	8
76	4
77	4
78	8
79	2
80	32
81	2
82	4
83	2
84	8
85	16
86	2
87	8
88	8
89	4
90	8
91	8
92	4
93	4
94	2
95	8
96	16
97	4
98	2
99	4
100	8

n	a(n)
1	1
2	1
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	8
16	8
17	4
18	2
19	2
20	8
21	4
22	2
23	2
24	8
25	4
26	4
27	2
28	4
29	4
30	8
31	2
32	8
33	4
34	4
35	8
36	4
37	4
38	2
39	8
40	16
41	4
42	4
43	2
44	4
45	8
46	2
47	2
48	16
49	2
50	4
51	8
52	8
53	4
54	2
55	8
56	8
57	4
58	4
59	2
60	16
61	4
62	2
63	4
64	8
65	16
66	4
67	2
68	8
69	4
70	8
71	2
72	8
73	4
74	4
75	8
76	4
77	4
78	8
79	2
80	32
81	2
82	4
83	2
84	8
85	16
86	2
87	8
88	8
89	4
90	8
91	8
92	4
93	4
94	2
95	8
96	16
97	4
98	2
99	4
100	8

n	a(n)
1	1
2	1
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	8
16	8
17	4
18	2
19	2
20	8
21	4
22	2
23	2
24	8
25	4
26	4
27	2
28	4
29	4
30	8
31	2
32	8
33	4
34	4
35	8
36	4
37	4
38	2
39	8
40	16
41	4
42	4
43	2
44	4
45	8
46	2
47	2
48	16
49	2
50	4
51	8
52	8
53	4
54	2
55	8
56	8
57	4
58	4
59	2
60	16
61	4
62	2
63	4
64	8
65	16
66	4
67	2
68	8
69	4
70	8
71	2
72	8
73	4
74	4
75	8
76	4
77	4
78	8
79	2
80	32
81	2
82	4
83	2
84	8
85	16
86	2
87	8
88	8
89	4
90	8
91	8
92	4
93	4
94	2
95	8
96	16
97	4
98	2
99	4
100	8