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.

A037390 Numbers k such that every base-4 digit of k is a base-8 digit of k.

Table of values

n a(n)
1 1
2 2
3 3
4 10
5 42
6 64
7 65
8 66
9 67
10 68
11 69
12 80
13 85
14 86
15 90
16 93
17 95
18 106
19 128
20 129
21 130
22 131
23 136
24 153
25 160
26 168
27 169
28 170
29 171
30 187
31 192
32 193
33 194
34 195
35 234
36 240
37 250
38 255
39 257
40 321
41 514
42 522
43 528
44 529
45 530
46 531
47 532
48 533
49 534
50 538

List of values

[1, 2, 3, 10, 42, 64, 65, 66, 67, 68, 69, 80, 85, 86, 90, 93, 95, 106, 128, 129, 130, 131, 136, 153, 160, 168, 169, 170, 171, 187, 192, 193, 194, 195, 234, 240, 250, 255, 257, 321, 514, 522, 528, 529, 530, 531, 532, 533, 534, 538]