A054710 - cp's OEIS frontend

A054710 Number of powers of 10 mod n.

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

[1, 2, 1, 3, 2, 2, 6, 4, 1, 2, 2, 3, 6, 7, 2, 5, 16, 2, 18, 3, 6, 3, 22, 4, 3, 7, 3, 8, 28, 2, 15, 6, 2, 17, 7, 3, 3, 19, 6, 4, 5, 7, 21, 4, 2, 23, 46, 5, 42, 3, 16, 8, 13, 4, 3, 9, 18, 29, 58, 3, 60, 16, 6, 7, 7, 3, 33, 18, 22, 7, 35, 4, 8, 4, 3, 20, 6, 7, 13, 5, 9, 6, 41, 8, 17, 22, 28, 5, 44, 2]

cp's OEIS Frontend

A054710 Number of powers of 10 mod n.

Table of values

List of values

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

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

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