A055241 - cp's OEIS frontend

A055241 Smallest base in which n is not divisible by any of its digits (0 if no such base).

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

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 5, 0, 0, 0, 5, 0, 5, 0, 8, 6, 5, 0, 7, 7, 10, 0, 6, 0, 7, 9, 7, 6, 4, 0, 7, 7, 7, 11, 7, 0, 4, 12, 16, 7, 4, 0, 9, 11, 9, 9, 5, 10, 8, 10, 10, 9, 4, 0, 8, 8, 11, 11, 5, 14, 5, 9, 9, 11, 9, 13, 5, 10, 11, 10, 5, 10, 5, 11, 11, 11, 10, 15, 5, 10, 10, 13, 5, 19]

cp's OEIS Frontend

A055241 Smallest base in which n is not divisible by any of its digits (0 if no such base).

Table of values

List of values

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

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

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