A292684 - cp's OEIS frontend

A292684 a(n) is the number of positive integers k not divisible by 10 such that f(kN) = f(N) for N = A292683(n) and f(x) = x / (x without its first digit: A217657(x)).

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

[9, 4, 1, 9, 9, 4, 3, 3, 3, 3, 1, 1, 9, 9, 9, 7, 4, 9, 9, 9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, 3, 9, 9, 9, 9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 9, 9, 9, 9, 9, 9, 9]

cp's OEIS Frontend

A292684 a(n) is the number of positive integers k not divisible by 10 such that f(kN) = f(N) for N = A292683(n) and f(x) = x / (x without its first digit: A217657(x)).

Table of values

List of values

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

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

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