A106848 - cp's OEIS frontend

A106848 a(n) = the number of times the last digit of n must be appended to n to form a number m such that n divides m, or 0 if no such m exists.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	0
13	6
14	6
15	3
16	0
17	16
18	9
19	18
20	1
21	6
22	2
23	22
24	0
25	0
26	6
27	27
28	6
29	28
30	1
31	15
32	0
33	2
34	16
35	6
36	0
37	3
38	18
39	6
40	1
41	5
42	6
43	21
44	2
45	9
46	22
47	46
48	0
49	42
50	1
51	48
52	0
53	13
54	27
55	2
56	0
57	18
58	28
59	58
60	1
61	60
62	15
63	6
64	0
65	6
66	2
67	33
68	16
69	22
70	1
71	35
72	0
73	8
74	3
75	0
76	0
77	2
78	6
79	13
80	1
81	81
82	5
83	41
84	6
85	16
86	21
87	84
88	2
89	44
90	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 6, 6, 3, 0, 16, 9, 18, 1, 6, 2, 22, 0, 0, 6, 27, 6, 28, 1, 15, 0, 2, 16, 6, 0, 3, 18, 6, 1, 5, 6, 21, 2, 9, 22, 46, 0, 42, 1, 48, 0, 13, 27, 2, 0, 18, 28, 58, 1, 60, 15, 6, 0, 6, 2, 33, 16, 22, 1, 35, 0, 8, 3, 0, 0, 2, 6, 13, 1, 81, 5, 41, 6, 16, 21, 84, 2, 44, 1]

cp's OEIS Frontend

A106848 a(n) = the number of times the last digit of n must be appended to n to form a number m such that n divides m, or 0 if no such m exists.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	0
13	6
14	6
15	3
16	0
17	16
18	9
19	18
20	1
21	6
22	2
23	22
24	0
25	0
26	6
27	27
28	6
29	28
30	1
31	15
32	0
33	2
34	16
35	6
36	0
37	3
38	18
39	6
40	1
41	5
42	6
43	21
44	2
45	9
46	22
47	46
48	0
49	42
50	1
51	48
52	0
53	13
54	27
55	2
56	0
57	18
58	28
59	58
60	1
61	60
62	15
63	6
64	0
65	6
66	2
67	33
68	16
69	22
70	1
71	35
72	0
73	8
74	3
75	0
76	0
77	2
78	6
79	13
80	1
81	81
82	5
83	41
84	6
85	16
86	21
87	84
88	2
89	44
90	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	0
13	6
14	6
15	3
16	0
17	16
18	9
19	18
20	1
21	6
22	2
23	22
24	0
25	0
26	6
27	27
28	6
29	28
30	1
31	15
32	0
33	2
34	16
35	6
36	0
37	3
38	18
39	6
40	1
41	5
42	6
43	21
44	2
45	9
46	22
47	46
48	0
49	42
50	1
51	48
52	0
53	13
54	27
55	2
56	0
57	18
58	28
59	58
60	1
61	60
62	15
63	6
64	0
65	6
66	2
67	33
68	16
69	22
70	1
71	35
72	0
73	8
74	3
75	0
76	0
77	2
78	6
79	13
80	1
81	81
82	5
83	41
84	6
85	16
86	21
87	84
88	2
89	44
90	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	0
13	6
14	6
15	3
16	0
17	16
18	9
19	18
20	1
21	6
22	2
23	22
24	0
25	0
26	6
27	27
28	6
29	28
30	1
31	15
32	0
33	2
34	16
35	6
36	0
37	3
38	18
39	6
40	1
41	5
42	6
43	21
44	2
45	9
46	22
47	46
48	0
49	42
50	1
51	48
52	0
53	13
54	27
55	2
56	0
57	18
58	28
59	58
60	1
61	60
62	15
63	6
64	0
65	6
66	2
67	33
68	16
69	22
70	1
71	35
72	0
73	8
74	3
75	0
76	0
77	2
78	6
79	13
80	1
81	81
82	5
83	41
84	6
85	16
86	21
87	84
88	2
89	44
90	1