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.

A065713 Sum of digits of 4^n.

Table of values

n a(n)
0 1
1 4
2 7
3 10
4 13
5 7
6 19
7 22
8 25
9 19
10 31
11 25
12 37
13 40
14 43
15 37
16 58
17 61
18 64
19 67
20 61
21 46
22 58
23 70
24 73
25 76
26 79
27 82
28 85
29 70
30 82
31 85
32 88
33 109
34 103
35 70
36 109
37 130
38 106
39 100
40 112
41 124
42 118
43 112
44 115
45 118
46 139
47 151
48 127
49 112
50 115
51 118
52 121
53 142
54 145
55 121
56 160

List of values

[1, 4, 7, 10, 13, 7, 19, 22, 25, 19, 31, 25, 37, 40, 43, 37, 58, 61, 64, 67, 61, 46, 58, 70, 73, 76, 79, 82, 85, 70, 82, 85, 88, 109, 103, 70, 109, 130, 106, 100, 112, 124, 118, 112, 115, 118, 139, 151, 127, 112, 115, 118, 121, 142, 145, 121, 160]