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.

A132791 Numbers k such that the sum of the digits of 4^k is prime.

Table of values

n a(n)
1 2
2 4
3 5
4 6
5 9
6 10
7 12
8 14
9 15
10 17
11 19
12 20
13 24
14 26
15 33
16 34
17 36
18 46
19 47
20 48
21 66
22 73
23 74
24 79
25 81
26 82
27 92
28 98
29 101
30 103
31 104
32 106
33 107
34 110
35 113
36 118
37 119
38 126
39 131
40 132
41 133
42 136
43 137
44 143
45 144
46 145
47 147
48 151
49 156
50 158
51 161
52 164
53 171
54 181
55 185
56 192
57 195
58 198
59 200
60 204

List of values

[2, 4, 5, 6, 9, 10, 12, 14, 15, 17, 19, 20, 24, 26, 33, 34, 36, 46, 47, 48, 66, 73, 74, 79, 81, 82, 92, 98, 101, 103, 104, 106, 107, 110, 113, 118, 119, 126, 131, 132, 133, 136, 137, 143, 144, 145, 147, 151, 156, 158, 161, 164, 171, 181, 185, 192, 195, 198, 200, 204]