A381530 - cp's OEIS frontend

A381530 a(n) is the least k > 0 such that n / k contains a digit 1 in its decimal representation.

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

[1, 2, 2, 3, 3, 4, 4, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 1, 3, 3, 3, 3, 3, 3, 3, 3, 4, 1, 2, 2, 3, 3, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 5, 1, 2, 2, 4, 4, 4, 4, 5, 5, 5, 1, 5, 3, 3, 3, 5, 5, 5, 5, 1]

cp's OEIS Frontend

A381530 a(n) is the least k > 0 such that n / k contains a digit 1 in its decimal representation.

Table of values

List of values

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

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

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