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.

A331892 Positive numbers k such that the negabinary expansion (A039724) of -k is palindromic.

Table of values

n a(n)
1 1
2 5
3 7
4 17
5 21
6 31
7 35
8 57
9 65
10 85
11 93
12 119
13 127
14 147
15 155
16 201
17 217
18 257
19 273
20 325
21 341
22 381
23 397
24 455
25 471
26 511
27 527
28 579
29 595
30 635
31 651
32 745
33 777
34 857
35 889
36 993
37 1025
38 1105
39 1137
40 1253
41 1285
42 1365
43 1397
44 1501
45 1533
46 1613
47 1645
48 1767
49 1799
50 1879
51 1911
52 2015

List of values

[1, 5, 7, 17, 21, 31, 35, 57, 65, 85, 93, 119, 127, 147, 155, 201, 217, 257, 273, 325, 341, 381, 397, 455, 471, 511, 527, 579, 595, 635, 651, 745, 777, 857, 889, 993, 1025, 1105, 1137, 1253, 1285, 1365, 1397, 1501, 1533, 1613, 1645, 1767, 1799, 1879, 1911, 2015]