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.

A129523 Numbers of the form 2^j +- 2^i for 0 <= i < j, in ascending order.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 12
12 14
13 15
14 16
15 17
16 18
17 20
18 24
19 28
20 30
21 31
22 32
23 33
24 34
25 36
26 40
27 48
28 56
29 60
30 62
31 63
32 64
33 65
34 66
35 68
36 72
37 80
38 96
39 112
40 120
41 124
42 126
43 127
44 128
45 129
46 130
47 132
48 136
49 144
50 160
51 192
52 224
53 240
54 248
55 252
56 254
57 255
58 256
59 257
60 258
61 260
62 264
63 272

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 24, 28, 30, 31, 32, 33, 34, 36, 40, 48, 56, 60, 62, 63, 64, 65, 66, 68, 72, 80, 96, 112, 120, 124, 126, 127, 128, 129, 130, 132, 136, 144, 160, 192, 224, 240, 248, 252, 254, 255, 256, 257, 258, 260, 264, 272]