A337084 - cp's OEIS frontend

A337084 a(n) is the smallest nonzero digit d whose product d*n will contain the digit d, or 0 if no such digit exists.

n	a(n)
1	1
2	0
3	5
4	0
5	5
6	2
7	5
8	0
9	5
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	0
21	1
22	9
23	5
24	0
25	5
26	2
27	5
28	6
29	5
30	5
31	1
32	0
33	5
34	0
35	4
36	2
37	4
38	0
39	5
40	0
41	1
42	0
43	5
44	3
45	3
46	2
47	5
48	8
49	5
50	5
51	1
52	0
53	5
54	7
55	5
56	2
57	5
58	0
59	5
60	2
61	1
62	2
63	2
64	2
65	5
66	2
67	5
68	7
69	5
70	5
71	1
72	0
73	5
74	0
75	5
76	2
77	3
78	3
79	3
80	0
81	1
82	7

[1, 0, 5, 0, 5, 2, 5, 0, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 9, 5, 0, 5, 2, 5, 6, 5, 5, 1, 0, 5, 0, 4, 2, 4, 0, 5, 0, 1, 0, 5, 3, 3, 2, 5, 8, 5, 5, 1, 0, 5, 7, 5, 2, 5, 0, 5, 2, 1, 2, 2, 2, 5, 2, 5, 7, 5, 5, 1, 0, 5, 0, 5, 2, 3, 3, 3, 0, 1, 7]

cp's OEIS Frontend

A337084 a(n) is the smallest nonzero digit d whose product d*n will contain the digit d, or 0 if no such digit exists.

Table of values

List of values

n	a(n)
1	1
2	0
3	5
4	0
5	5
6	2
7	5
8	0
9	5
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	0
21	1
22	9
23	5
24	0
25	5
26	2
27	5
28	6
29	5
30	5
31	1
32	0
33	5
34	0
35	4
36	2
37	4
38	0
39	5
40	0
41	1
42	0
43	5
44	3
45	3
46	2
47	5
48	8
49	5
50	5
51	1
52	0
53	5
54	7
55	5
56	2
57	5
58	0
59	5
60	2
61	1
62	2
63	2
64	2
65	5
66	2
67	5
68	7
69	5
70	5
71	1
72	0
73	5
74	0
75	5
76	2
77	3
78	3
79	3
80	0
81	1
82	7

n	a(n)
1	1
2	0
3	5
4	0
5	5
6	2
7	5
8	0
9	5
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	0
21	1
22	9
23	5
24	0
25	5
26	2
27	5
28	6
29	5
30	5
31	1
32	0
33	5
34	0
35	4
36	2
37	4
38	0
39	5
40	0
41	1
42	0
43	5
44	3
45	3
46	2
47	5
48	8
49	5
50	5
51	1
52	0
53	5
54	7
55	5
56	2
57	5
58	0
59	5
60	2
61	1
62	2
63	2
64	2
65	5
66	2
67	5
68	7
69	5
70	5
71	1
72	0
73	5
74	0
75	5
76	2
77	3
78	3
79	3
80	0
81	1
82	7

n	a(n)
1	1
2	0
3	5
4	0
5	5
6	2
7	5
8	0
9	5
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	1
20	0
21	1
22	9
23	5
24	0
25	5
26	2
27	5
28	6
29	5
30	5
31	1
32	0
33	5
34	0
35	4
36	2
37	4
38	0
39	5
40	0
41	1
42	0
43	5
44	3
45	3
46	2
47	5
48	8
49	5
50	5
51	1
52	0
53	5
54	7
55	5
56	2
57	5
58	0
59	5
60	2
61	1
62	2
63	2
64	2
65	5
66	2
67	5
68	7
69	5
70	5
71	1
72	0
73	5
74	0
75	5
76	2
77	3
78	3
79	3
80	0
81	1
82	7