A055240 - cp's OEIS frontend

A055240 Number of bases in which n is not divisible by any of its digits.

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

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 3, 0, 3, 0, 1, 1, 6, 0, 3, 1, 2, 0, 7, 0, 7, 1, 4, 4, 7, 0, 9, 4, 6, 1, 11, 0, 13, 2, 3, 6, 17, 0, 11, 3, 8, 3, 18, 2, 13, 3, 11, 9, 22, 0, 18, 9, 8, 4, 15, 1, 23, 8, 16, 5, 24, 1, 24, 12, 11, 8, 24, 4, 29, 4, 15, 14, 31, 1, 22, 14, 21, 8, 34, 1, 23]

cp's OEIS Frontend

A055240 Number of bases in which n is not divisible by any of its digits.

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	1
12	0
13	1
14	0
15	0
16	0
17	3
18	0
19	3
20	0
21	1
22	1
23	6
24	0
25	3
26	1
27	2
28	0
29	7
30	0
31	7
32	1
33	4
34	4
35	7
36	0
37	9
38	4
39	6
40	1
41	11
42	0
43	13
44	2
45	3
46	6
47	17
48	0
49	11
50	3
51	8
52	3
53	18
54	2
55	13
56	3
57	11
58	9
59	22
60	0
61	18
62	9
63	8
64	4
65	15
66	1
67	23
68	8
69	16
70	5
71	24
72	1
73	24
74	12
75	11
76	8
77	24
78	4
79	29
80	4
81	15
82	14
83	31
84	1
85	22
86	14
87	21
88	8
89	34
90	1
91	23

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

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