A317636 - cp's OEIS frontend

A317636 Minimum number of consecutive positive integers starting with 1 that must be concatenated in descending order so that n divides the concatenation, or zero if n divides no such concatenation.

n	a(n)
1	1
2	0
3	2
4	0
5	0
6	0
7	2
8	0
9	8
10	0
11	14
12	0
13	15
14	0
15	0
16	0
17	9
18	0
19	5
20	0
21	2
22	0
23	16
24	0
25	0
26	0
27	26
28	0
29	4
30	0
31	25
32	0
33	14
34	0
35	0
36	0
37	21
38	0
39	15
40	0
41	40
42	0
43	67
44	0
45	0
46	0
47	78
48	0
49	54
50	0
51	9
52	0
53	66
54	0
55	0
56	0
57	5
58	0
59	25
60	0
61	111
62	0
63	44
64	0
65	0
66	0
67	161
68	0
69	18
70	0
71	49
72	0
73	30
74	0
75	0
76	0
77	73
78	0
79	15
80	0
81	27
82	0
83	27
84	0
85	0
86	0
87	41
88	0
89	20
90	0
91	54
92	0
93	47
94	0
95	0
96	0
97	63
98	0
99	18
100	0
101	98
102	0
103	102
104	0
105	0
106	0
107	3
108	0
109	99
110	0
111	21

[1, 0, 2, 0, 0, 0, 2, 0, 8, 0, 14, 0, 15, 0, 0, 0, 9, 0, 5, 0, 2, 0, 16, 0, 0, 0, 26, 0, 4, 0, 25, 0, 14, 0, 0, 0, 21, 0, 15, 0, 40, 0, 67, 0, 0, 0, 78, 0, 54, 0, 9, 0, 66, 0, 0, 0, 5, 0, 25, 0, 111, 0, 44, 0, 0, 0, 161, 0, 18, 0, 49, 0, 30, 0, 0, 0, 73, 0, 15, 0, 27, 0, 27, 0, 0, 0, 41, 0, 20, 0, 54, 0, 47, 0, 0, 0, 63, 0, 18, 0, 98, 0, 102, 0, 0, 0, 3, 0, 99, 0, 21]

cp's OEIS Frontend

A317636 Minimum number of consecutive positive integers starting with 1 that must be concatenated in descending order so that n divides the concatenation, or zero if n divides no such concatenation.

Table of values

List of values

n	a(n)
1	1
2	0
3	2
4	0
5	0
6	0
7	2
8	0
9	8
10	0
11	14
12	0
13	15
14	0
15	0
16	0
17	9
18	0
19	5
20	0
21	2
22	0
23	16
24	0
25	0
26	0
27	26
28	0
29	4
30	0
31	25
32	0
33	14
34	0
35	0
36	0
37	21
38	0
39	15
40	0
41	40
42	0
43	67
44	0
45	0
46	0
47	78
48	0
49	54
50	0
51	9
52	0
53	66
54	0
55	0
56	0
57	5
58	0
59	25
60	0
61	111
62	0
63	44
64	0
65	0
66	0
67	161
68	0
69	18
70	0
71	49
72	0
73	30
74	0
75	0
76	0
77	73
78	0
79	15
80	0
81	27
82	0
83	27
84	0
85	0
86	0
87	41
88	0
89	20
90	0
91	54
92	0
93	47
94	0
95	0
96	0
97	63
98	0
99	18
100	0
101	98
102	0
103	102
104	0
105	0
106	0
107	3
108	0
109	99
110	0
111	21

n	a(n)
1	1
2	0
3	2
4	0
5	0
6	0
7	2
8	0
9	8
10	0
11	14
12	0
13	15
14	0
15	0
16	0
17	9
18	0
19	5
20	0
21	2
22	0
23	16
24	0
25	0
26	0
27	26
28	0
29	4
30	0
31	25
32	0
33	14
34	0
35	0
36	0
37	21
38	0
39	15
40	0
41	40
42	0
43	67
44	0
45	0
46	0
47	78
48	0
49	54
50	0
51	9
52	0
53	66
54	0
55	0
56	0
57	5
58	0
59	25
60	0
61	111
62	0
63	44
64	0
65	0
66	0
67	161
68	0
69	18
70	0
71	49
72	0
73	30
74	0
75	0
76	0
77	73
78	0
79	15
80	0
81	27
82	0
83	27
84	0
85	0
86	0
87	41
88	0
89	20
90	0
91	54
92	0
93	47
94	0
95	0
96	0
97	63
98	0
99	18
100	0
101	98
102	0
103	102
104	0
105	0
106	0
107	3
108	0
109	99
110	0
111	21

n	a(n)
1	1
2	0
3	2
4	0
5	0
6	0
7	2
8	0
9	8
10	0
11	14
12	0
13	15
14	0
15	0
16	0
17	9
18	0
19	5
20	0
21	2
22	0
23	16
24	0
25	0
26	0
27	26
28	0
29	4
30	0
31	25
32	0
33	14
34	0
35	0
36	0
37	21
38	0
39	15
40	0
41	40
42	0
43	67
44	0
45	0
46	0
47	78
48	0
49	54
50	0
51	9
52	0
53	66
54	0
55	0
56	0
57	5
58	0
59	25
60	0
61	111
62	0
63	44
64	0
65	0
66	0
67	161
68	0
69	18
70	0
71	49
72	0
73	30
74	0
75	0
76	0
77	73
78	0
79	15
80	0
81	27
82	0
83	27
84	0
85	0
86	0
87	41
88	0
89	20
90	0
91	54
92	0
93	47
94	0
95	0
96	0
97	63
98	0
99	18
100	0
101	98
102	0
103	102
104	0
105	0
106	0
107	3
108	0
109	99
110	0
111	21