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.

A337238 Number k such that k and k+1 are both digitally balanced numbers in base 2 (A031443).

Table of values

n a(n)
1 9
2 37
3 41
4 49
5 141
6 149
7 153
8 165
9 169
10 177
11 197
12 201
13 209
14 225
15 541
16 557
17 565
18 569
19 589
20 597
21 601
22 613
23 617
24 625
25 653
26 661
27 665
28 677
29 681
30 689
31 709
32 713
33 721
34 737
35 781
36 789
37 793
38 805
39 809
40 817
41 837
42 841
43 849
44 865
45 901
46 905
47 913
48 929
49 961
50 2109
51 2141
52 2157
53 2165

List of values

[9, 37, 41, 49, 141, 149, 153, 165, 169, 177, 197, 201, 209, 225, 541, 557, 565, 569, 589, 597, 601, 613, 617, 625, 653, 661, 665, 677, 681, 689, 709, 713, 721, 737, 781, 789, 793, 805, 809, 817, 837, 841, 849, 865, 901, 905, 913, 929, 961, 2109, 2141, 2157, 2165]