A253638 - cp's OEIS frontend

A253638 Number of zeros in the decimal expansion of 5^n.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	0
11	0
12	1
13	2
14	1
15	1
16	1
17	0
18	0
19	1
20	1
21	1
22	1
23	2
24	2
25	1
26	1
27	2
28	2
29	2
30	0
31	1
32	2
33	0
34	3
35	3
36	2
37	2
38	3
39	3
40	4
41	1
42	1
43	1
44	4
45	7
46	4
47	4
48	5
49	4
50	3
51	4
52	6
53	6
54	3
55	5
56	2
57	2
58	0
59	3
60	4
61	5
62	6
63	7
64	8
65	6
66	6
67	5
68	7
69	8
70	8
71	6
72	8
73	4
74	3
75	3
76	6
77	5
78	4
79	4
80	8
81	7
82	4
83	4
84	3
85	1
86	4
87	6
88	4
89	4
90	6
91	5
92	6
93	7
94	6
95	4
96	4
97	4
98	6
99	9
100	12
101	8
102	5
103	9
104	7
105	6
106	4
107	2
108	9
109	8
110	5
111	5
112	3
113	4
114	6
115	6
116	9
117	14
118	12
119	12
120	12
121	12
122	13

[0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 2, 1, 1, 1, 0, 0, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 0, 1, 2, 0, 3, 3, 2, 2, 3, 3, 4, 1, 1, 1, 4, 7, 4, 4, 5, 4, 3, 4, 6, 6, 3, 5, 2, 2, 0, 3, 4, 5, 6, 7, 8, 6, 6, 5, 7, 8, 8, 6, 8, 4, 3, 3, 6, 5, 4, 4, 8, 7, 4, 4, 3, 1, 4, 6, 4, 4, 6, 5, 6, 7, 6, 4, 4, 4, 6, 9, 12, 8, 5, 9, 7, 6, 4, 2, 9, 8, 5, 5, 3, 4, 6, 6, 9, 14, 12, 12, 12, 12, 13]

cp's OEIS Frontend

A253638 Number of zeros in the decimal expansion of 5^n.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	0
11	0
12	1
13	2
14	1
15	1
16	1
17	0
18	0
19	1
20	1
21	1
22	1
23	2
24	2
25	1
26	1
27	2
28	2
29	2
30	0
31	1
32	2
33	0
34	3
35	3
36	2
37	2
38	3
39	3
40	4
41	1
42	1
43	1
44	4
45	7
46	4
47	4
48	5
49	4
50	3
51	4
52	6
53	6
54	3
55	5
56	2
57	2
58	0
59	3
60	4
61	5
62	6
63	7
64	8
65	6
66	6
67	5
68	7
69	8
70	8
71	6
72	8
73	4
74	3
75	3
76	6
77	5
78	4
79	4
80	8
81	7
82	4
83	4
84	3
85	1
86	4
87	6
88	4
89	4
90	6
91	5
92	6
93	7
94	6
95	4
96	4
97	4
98	6
99	9
100	12
101	8
102	5
103	9
104	7
105	6
106	4
107	2
108	9
109	8
110	5
111	5
112	3
113	4
114	6
115	6
116	9
117	14
118	12
119	12
120	12
121	12
122	13

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	0
11	0
12	1
13	2
14	1
15	1
16	1
17	0
18	0
19	1
20	1
21	1
22	1
23	2
24	2
25	1
26	1
27	2
28	2
29	2
30	0
31	1
32	2
33	0
34	3
35	3
36	2
37	2
38	3
39	3
40	4
41	1
42	1
43	1
44	4
45	7
46	4
47	4
48	5
49	4
50	3
51	4
52	6
53	6
54	3
55	5
56	2
57	2
58	0
59	3
60	4
61	5
62	6
63	7
64	8
65	6
66	6
67	5
68	7
69	8
70	8
71	6
72	8
73	4
74	3
75	3
76	6
77	5
78	4
79	4
80	8
81	7
82	4
83	4
84	3
85	1
86	4
87	6
88	4
89	4
90	6
91	5
92	6
93	7
94	6
95	4
96	4
97	4
98	6
99	9
100	12
101	8
102	5
103	9
104	7
105	6
106	4
107	2
108	9
109	8
110	5
111	5
112	3
113	4
114	6
115	6
116	9
117	14
118	12
119	12
120	12
121	12
122	13

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	0
11	0
12	1
13	2
14	1
15	1
16	1
17	0
18	0
19	1
20	1
21	1
22	1
23	2
24	2
25	1
26	1
27	2
28	2
29	2
30	0
31	1
32	2
33	0
34	3
35	3
36	2
37	2
38	3
39	3
40	4
41	1
42	1
43	1
44	4
45	7
46	4
47	4
48	5
49	4
50	3
51	4
52	6
53	6
54	3
55	5
56	2
57	2
58	0
59	3
60	4
61	5
62	6
63	7
64	8
65	6
66	6
67	5
68	7
69	8
70	8
71	6
72	8
73	4
74	3
75	3
76	6
77	5
78	4
79	4
80	8
81	7
82	4
83	4
84	3
85	1
86	4
87	6
88	4
89	4
90	6
91	5
92	6
93	7
94	6
95	4
96	4
97	4
98	6
99	9
100	12
101	8
102	5
103	9
104	7
105	6
106	4
107	2
108	9
109	8
110	5
111	5
112	3
113	4
114	6
115	6
116	9
117	14
118	12
119	12
120	12
121	12
122	13