A126207 - cp's OEIS frontend

A126207 Number of 5's in decimal expansion of 5^n.

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

[0, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 3, 3, 3, 2, 2, 1, 2, 2, 3, 3, 3, 2, 2, 4, 2, 3, 5, 3, 2, 3, 3, 2, 5, 4, 3, 5, 2, 6, 5, 1, 2, 1, 6, 5, 6, 4, 4, 3, 2, 4, 9, 9, 9, 4, 4, 2, 5, 2, 4, 5, 5, 7, 8, 6, 5, 5, 5, 7, 6, 11, 7, 7, 5, 5, 6, 7, 6, 8, 8, 10, 5, 6, 7, 8, 9, 4, 10, 7, 4, 8, 10, 9, 6, 5, 6, 10, 6]

cp's OEIS Frontend

A126207 Number of 5's in decimal expansion of 5^n.

Table of values

List of values

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

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

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