A054717 - cp's OEIS frontend

A054717 Number of powers of 9 modulo n.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	3
8	1
9	2
10	2
11	5
12	2
13	3
14	3
15	3
16	2
17	8
18	2
19	9
20	2
21	4
22	5
23	11
24	2
25	10
26	3
27	3
28	3
29	14
30	3
31	15
32	4
33	6
34	8
35	6
36	2
37	9
38	9
39	4
40	2
41	4
42	4
43	21
44	5
45	3
46	11
47	23
48	3
49	21
50	10
51	9
52	3
53	26
54	3
55	10
56	3
57	10
58	14
59	29
60	3
61	5
62	15
63	4
64	8
65	6
66	6
67	11
68	8
69	12
70	6
71	35
72	2
73	6
74	9
75	11
76	9
77	15
78	4
79	39
80	2
81	3
82	4
83	41
84	4
85	8
86	21
87	15
88	5
89	44
90	3
91	3

[1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 5, 2, 3, 3, 3, 2, 8, 2, 9, 2, 4, 5, 11, 2, 10, 3, 3, 3, 14, 3, 15, 4, 6, 8, 6, 2, 9, 9, 4, 2, 4, 4, 21, 5, 3, 11, 23, 3, 21, 10, 9, 3, 26, 3, 10, 3, 10, 14, 29, 3, 5, 15, 4, 8, 6, 6, 11, 8, 12, 6, 35, 2, 6, 9, 11, 9, 15, 4, 39, 2, 3, 4, 41, 4, 8, 21, 15, 5, 44, 3, 3]

cp's OEIS Frontend

A054717 Number of powers of 9 modulo n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	3
8	1
9	2
10	2
11	5
12	2
13	3
14	3
15	3
16	2
17	8
18	2
19	9
20	2
21	4
22	5
23	11
24	2
25	10
26	3
27	3
28	3
29	14
30	3
31	15
32	4
33	6
34	8
35	6
36	2
37	9
38	9
39	4
40	2
41	4
42	4
43	21
44	5
45	3
46	11
47	23
48	3
49	21
50	10
51	9
52	3
53	26
54	3
55	10
56	3
57	10
58	14
59	29
60	3
61	5
62	15
63	4
64	8
65	6
66	6
67	11
68	8
69	12
70	6
71	35
72	2
73	6
74	9
75	11
76	9
77	15
78	4
79	39
80	2
81	3
82	4
83	41
84	4
85	8
86	21
87	15
88	5
89	44
90	3
91	3

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	3
8	1
9	2
10	2
11	5
12	2
13	3
14	3
15	3
16	2
17	8
18	2
19	9
20	2
21	4
22	5
23	11
24	2
25	10
26	3
27	3
28	3
29	14
30	3
31	15
32	4
33	6
34	8
35	6
36	2
37	9
38	9
39	4
40	2
41	4
42	4
43	21
44	5
45	3
46	11
47	23
48	3
49	21
50	10
51	9
52	3
53	26
54	3
55	10
56	3
57	10
58	14
59	29
60	3
61	5
62	15
63	4
64	8
65	6
66	6
67	11
68	8
69	12
70	6
71	35
72	2
73	6
74	9
75	11
76	9
77	15
78	4
79	39
80	2
81	3
82	4
83	41
84	4
85	8
86	21
87	15
88	5
89	44
90	3
91	3

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	3
8	1
9	2
10	2
11	5
12	2
13	3
14	3
15	3
16	2
17	8
18	2
19	9
20	2
21	4
22	5
23	11
24	2
25	10
26	3
27	3
28	3
29	14
30	3
31	15
32	4
33	6
34	8
35	6
36	2
37	9
38	9
39	4
40	2
41	4
42	4
43	21
44	5
45	3
46	11
47	23
48	3
49	21
50	10
51	9
52	3
53	26
54	3
55	10
56	3
57	10
58	14
59	29
60	3
61	5
62	15
63	4
64	8
65	6
66	6
67	11
68	8
69	12
70	6
71	35
72	2
73	6
74	9
75	11
76	9
77	15
78	4
79	39
80	2
81	3
82	4
83	41
84	4
85	8
86	21
87	15
88	5
89	44
90	3
91	3