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.

A381259 Numbers obtained by concatenating powers of 2, sorted into increasing order.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 11
6 12
7 14
8 16
9 18
10 21
11 22
12 24
13 28
14 32
15 41
16 42
17 44
18 48
19 64
20 81
21 82
22 84
23 88
24 111
25 112
26 114
27 116
28 118
29 121
30 122
31 124
32 128
33 132
34 141
35 142
36 144
37 148
38 161
39 162
40 164
41 168
42 181
43 182
44 184
45 188
46 211
47 212
48 214
49 216
50 218
51 221
52 222
53 224
54 228
55 232
56 241
57 242
58 244
59 248
60 256
61 264

List of values

[1, 2, 4, 8, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 41, 42, 44, 48, 64, 81, 82, 84, 88, 111, 112, 114, 116, 118, 121, 122, 124, 128, 132, 141, 142, 144, 148, 161, 162, 164, 168, 181, 182, 184, 188, 211, 212, 214, 216, 218, 221, 222, 224, 228, 232, 241, 242, 244, 248, 256, 264]