A224516 - cp's OEIS frontend

A224516 Number of solutions to x^4 - x == 0 (mod n).

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	4
7	4
8	2
9	4
10	4
11	2
12	4
13	4
14	8
15	4
16	2
17	2
18	8
19	4
20	4
21	8
22	4
23	2
24	4
25	2
26	8
27	4
28	8
29	2
30	8
31	4
32	2
33	4
34	4
35	8
36	8
37	4
38	8
39	8
40	4
41	2
42	16
43	4
44	4
45	8
46	4
47	2
48	4
49	4
50	4
51	4
52	8
53	2
54	8
55	4
56	8
57	8
58	4
59	2
60	8
61	4
62	8
63	16
64	2
65	8
66	8
67	4
68	4
69	4
70	16
71	2
72	8
73	4
74	8
75	4
76	8
77	8
78	16
79	4
80	4
81	4
82	4
83	2
84	16
85	4

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

cp's OEIS Frontend

A224516 Number of solutions to x^4 - x == 0 (mod n).

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	4
7	4
8	2
9	4
10	4
11	2
12	4
13	4
14	8
15	4
16	2
17	2
18	8
19	4
20	4
21	8
22	4
23	2
24	4
25	2
26	8
27	4
28	8
29	2
30	8
31	4
32	2
33	4
34	4
35	8
36	8
37	4
38	8
39	8
40	4
41	2
42	16
43	4
44	4
45	8
46	4
47	2
48	4
49	4
50	4
51	4
52	8
53	2
54	8
55	4
56	8
57	8
58	4
59	2
60	8
61	4
62	8
63	16
64	2
65	8
66	8
67	4
68	4
69	4
70	16
71	2
72	8
73	4
74	8
75	4
76	8
77	8
78	16
79	4
80	4
81	4
82	4
83	2
84	16
85	4

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	4
7	4
8	2
9	4
10	4
11	2
12	4
13	4
14	8
15	4
16	2
17	2
18	8
19	4
20	4
21	8
22	4
23	2
24	4
25	2
26	8
27	4
28	8
29	2
30	8
31	4
32	2
33	4
34	4
35	8
36	8
37	4
38	8
39	8
40	4
41	2
42	16
43	4
44	4
45	8
46	4
47	2
48	4
49	4
50	4
51	4
52	8
53	2
54	8
55	4
56	8
57	8
58	4
59	2
60	8
61	4
62	8
63	16
64	2
65	8
66	8
67	4
68	4
69	4
70	16
71	2
72	8
73	4
74	8
75	4
76	8
77	8
78	16
79	4
80	4
81	4
82	4
83	2
84	16
85	4

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	4
7	4
8	2
9	4
10	4
11	2
12	4
13	4
14	8
15	4
16	2
17	2
18	8
19	4
20	4
21	8
22	4
23	2
24	4
25	2
26	8
27	4
28	8
29	2
30	8
31	4
32	2
33	4
34	4
35	8
36	8
37	4
38	8
39	8
40	4
41	2
42	16
43	4
44	4
45	8
46	4
47	2
48	4
49	4
50	4
51	4
52	8
53	2
54	8
55	4
56	8
57	8
58	4
59	2
60	8
61	4
62	8
63	16
64	2
65	8
66	8
67	4
68	4
69	4
70	16
71	2
72	8
73	4
74	8
75	4
76	8
77	8
78	16
79	4
80	4
81	4
82	4
83	2
84	16
85	4