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.

A317407 The "OOPS" numbers -- numbers with ones in all odd-numbered positions of the binary representation of n.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 10
7 11
8 14
9 15
10 21
11 23
12 29
13 31
14 42
15 43
16 46
17 47
18 58
19 59
20 62
21 63
22 85
23 87
24 93
25 95
26 117
27 119
28 125
29 127
30 170
31 171
32 174
33 175
34 186
35 187
36 190
37 191
38 234
39 235
40 238
41 239
42 250
43 251
44 254
45 255
46 341
47 343
48 349
49 351
50 373
51 375
52 381
53 383
54 469
55 471
56 477
57 479
58 501

List of values

[1, 2, 3, 5, 7, 10, 11, 14, 15, 21, 23, 29, 31, 42, 43, 46, 47, 58, 59, 62, 63, 85, 87, 93, 95, 117, 119, 125, 127, 170, 171, 174, 175, 186, 187, 190, 191, 234, 235, 238, 239, 250, 251, 254, 255, 341, 343, 349, 351, 373, 375, 381, 383, 469, 471, 477, 479, 501]

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

Content is available under The OEIS End-User License Agreement.