cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A305930 Number of digits '0' in 3^n (in base 10).

Table of values

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

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 3, 2, 0, 0, 1, 0, 0, 0, 1, 2, 0, 2, 2, 0, 4, 2, 3, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 3, 1, 2, 1, 2, 7, 6, 2, 5, 2, 4, 2, 2, 2, 1, 2, 4, 4, 3, 0, 2, 4, 2, 1, 1, 4, 3, 5, 4, 5, 4, 5, 3, 3, 2, 6, 6, 5, 3, 4, 5, 3, 5, 5, 2, 6, 6, 2, 6, 4, 7]