A341434 - cp's OEIS frontend

A341434 a(n) is the number of bases 1 < b < n in which n is divisible by its product of digits.

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

[0, 0, 1, 1, 1, 2, 2, 3, 2, 2, 1, 5, 2, 3, 4, 6, 1, 5, 1, 5, 4, 4, 1, 9, 2, 2, 4, 5, 1, 7, 3, 9, 4, 2, 3, 12, 1, 2, 3, 10, 1, 7, 2, 7, 7, 2, 1, 15, 2, 5, 3, 6, 1, 10, 3, 10, 4, 3, 1, 14, 1, 2, 7, 14, 3, 8, 1, 6, 3, 6, 1, 20, 2, 3, 8, 7, 3, 7, 1, 16, 7, 2, 1, 14]

cp's OEIS Frontend

A341434 a(n) is the number of bases 1 < b < n in which n is divisible by its product of digits.

Table of values

List of values

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

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

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