A083891 - cp's OEIS frontend

A083891 Number of divisors of n with largest digit = 4 (base 10).

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

[0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 2, 1, 2, 1, 2, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 1, 0, 2, 0, 0, 0, 1, 0, 0, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 0, 0, 1, 0, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0]

cp's OEIS Frontend

A083891 Number of divisors of n with largest digit = 4 (base 10).

Table of values

List of values

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

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

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