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.

A224513 Gray code variant of A147562.

Table of values

n a(n)
0 1
1 5
2 17
3 21
4 33
5 69
6 81
7 85
8 97
9 133
10 241
11 277
12 289
13 325
14 337
15 341
16 353
17 389
18 497
19 533
20 641
21 965
22 1073
23 1109
24 1121
25 1157
26 1265
27 1301
28 1313
29 1349
30 1361
31 1365
32 1377
33 1413
34 1521
35 1557
36 1665
37 1989
38 2097
39 2133
40 2241
41 2565
42 3537
43 3861
44 3969
45 4293
46 4401
47 4437
48 4449

List of values

[1, 5, 17, 21, 33, 69, 81, 85, 97, 133, 241, 277, 289, 325, 337, 341, 353, 389, 497, 533, 641, 965, 1073, 1109, 1121, 1157, 1265, 1301, 1313, 1349, 1361, 1365, 1377, 1413, 1521, 1557, 1665, 1989, 2097, 2133, 2241, 2565, 3537, 3861, 3969, 4293, 4401, 4437, 4449]

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

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