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.

A123760 Numbers whose binary expansion is 1xy100...0 where x,y = 0 or 1.

Table of values

n a(n)
1 9
2 11
3 13
4 15
5 18
6 22
7 26
8 30
9 36
10 44
11 52
12 60
13 72
14 88
15 104
16 120
17 144
18 176
19 208
20 240
21 288
22 352
23 416
24 480
25 576
26 704
27 832
28 960
29 1152
30 1408
31 1664
32 1920
33 2304
34 2816
35 3328
36 3840
37 4608
38 5632
39 6656
40 7680
41 9216
42 11264
43 13312
44 15360
45 18432
46 22528
47 26624

List of values

[9, 11, 13, 15, 18, 22, 26, 30, 36, 44, 52, 60, 72, 88, 104, 120, 144, 176, 208, 240, 288, 352, 416, 480, 576, 704, 832, 960, 1152, 1408, 1664, 1920, 2304, 2816, 3328, 3840, 4608, 5632, 6656, 7680, 9216, 11264, 13312, 15360, 18432, 22528, 26624]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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