A023142 - cp's OEIS frontend

A023142 Number of cycles of function f(x) = 10x mod n.

n	a(n)
1	1
2	1
3	3
4	1
5	1
6	3
7	2
8	1
9	9
10	1
11	6
12	3
13	3
14	2
15	3
16	1
17	2
18	9
19	2
20	1
21	6
22	6
23	2
24	3
25	1
26	3
27	15
28	2
29	2
30	3
31	3
32	1
33	18
34	2
35	2
36	9
37	13
38	2
39	9
40	1
41	9
42	6
43	3
44	6
45	9
46	2
47	2
48	3
49	3
50	1
51	6
52	3
53	5
54	15
55	6
56	2
57	6
58	2
59	2
60	3
61	2
62	3
63	18
64	1
65	3
66	18
67	3
68	2
69	6
70	2
71	3
72	9
73	10
74	13
75	3
76	2
77	17
78	9
79	7
80	1
81	21
82	9
83	3
84	6
85	2
86	3
87	6
88	6
89	3
90	9
91	16
92	2
93	9
94	2
95	2
96	3
97	2
98	3
99	54
100	1
101	26

[1, 1, 3, 1, 1, 3, 2, 1, 9, 1, 6, 3, 3, 2, 3, 1, 2, 9, 2, 1, 6, 6, 2, 3, 1, 3, 15, 2, 2, 3, 3, 1, 18, 2, 2, 9, 13, 2, 9, 1, 9, 6, 3, 6, 9, 2, 2, 3, 3, 1, 6, 3, 5, 15, 6, 2, 6, 2, 2, 3, 2, 3, 18, 1, 3, 18, 3, 2, 6, 2, 3, 9, 10, 13, 3, 2, 17, 9, 7, 1, 21, 9, 3, 6, 2, 3, 6, 6, 3, 9, 16, 2, 9, 2, 2, 3, 2, 3, 54, 1, 26]

cp's OEIS Frontend

A023142 Number of cycles of function f(x) = 10x mod n.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	1
5	1
6	3
7	2
8	1
9	9
10	1
11	6
12	3
13	3
14	2
15	3
16	1
17	2
18	9
19	2
20	1
21	6
22	6
23	2
24	3
25	1
26	3
27	15
28	2
29	2
30	3
31	3
32	1
33	18
34	2
35	2
36	9
37	13
38	2
39	9
40	1
41	9
42	6
43	3
44	6
45	9
46	2
47	2
48	3
49	3
50	1
51	6
52	3
53	5
54	15
55	6
56	2
57	6
58	2
59	2
60	3
61	2
62	3
63	18
64	1
65	3
66	18
67	3
68	2
69	6
70	2
71	3
72	9
73	10
74	13
75	3
76	2
77	17
78	9
79	7
80	1
81	21
82	9
83	3
84	6
85	2
86	3
87	6
88	6
89	3
90	9
91	16
92	2
93	9
94	2
95	2
96	3
97	2
98	3
99	54
100	1
101	26

n	a(n)
1	1
2	1
3	3
4	1
5	1
6	3
7	2
8	1
9	9
10	1
11	6
12	3
13	3
14	2
15	3
16	1
17	2
18	9
19	2
20	1
21	6
22	6
23	2
24	3
25	1
26	3
27	15
28	2
29	2
30	3
31	3
32	1
33	18
34	2
35	2
36	9
37	13
38	2
39	9
40	1
41	9
42	6
43	3
44	6
45	9
46	2
47	2
48	3
49	3
50	1
51	6
52	3
53	5
54	15
55	6
56	2
57	6
58	2
59	2
60	3
61	2
62	3
63	18
64	1
65	3
66	18
67	3
68	2
69	6
70	2
71	3
72	9
73	10
74	13
75	3
76	2
77	17
78	9
79	7
80	1
81	21
82	9
83	3
84	6
85	2
86	3
87	6
88	6
89	3
90	9
91	16
92	2
93	9
94	2
95	2
96	3
97	2
98	3
99	54
100	1
101	26

n	a(n)
1	1
2	1
3	3
4	1
5	1
6	3
7	2
8	1
9	9
10	1
11	6
12	3
13	3
14	2
15	3
16	1
17	2
18	9
19	2
20	1
21	6
22	6
23	2
24	3
25	1
26	3
27	15
28	2
29	2
30	3
31	3
32	1
33	18
34	2
35	2
36	9
37	13
38	2
39	9
40	1
41	9
42	6
43	3
44	6
45	9
46	2
47	2
48	3
49	3
50	1
51	6
52	3
53	5
54	15
55	6
56	2
57	6
58	2
59	2
60	3
61	2
62	3
63	18
64	1
65	3
66	18
67	3
68	2
69	6
70	2
71	3
72	9
73	10
74	13
75	3
76	2
77	17
78	9
79	7
80	1
81	21
82	9
83	3
84	6
85	2
86	3
87	6
88	6
89	3
90	9
91	16
92	2
93	9
94	2
95	2
96	3
97	2
98	3
99	54
100	1
101	26