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.

A126205 Number of 3's in decimal expansion of 3^n, with n>=0.

Table of values

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

List of values

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