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.

A037414 Positive numbers having the same set of digits in base 2 and base 9.

Table of values

n a(n)
1 1
2 9
3 81
4 82
5 90
6 729
7 730
8 738
9 739
10 810
11 811
12 819
13 6561
14 6562
15 6570
16 6571
17 6642
18 6643
19 6651
20 6652
21 7290
22 7291
23 7299
24 7300
25 7371
26 7372
27 7380
28 59049
29 59050
30 59058
31 59059
32 59130
33 59131
34 59139
35 59140
36 59778
37 59779
38 59787
39 59788
40 59859
41 59860
42 59868
43 59869

List of values

[1, 9, 81, 82, 90, 729, 730, 738, 739, 810, 811, 819, 6561, 6562, 6570, 6571, 6642, 6643, 6651, 6652, 7290, 7291, 7299, 7300, 7371, 7372, 7380, 59049, 59050, 59058, 59059, 59130, 59131, 59139, 59140, 59778, 59779, 59787, 59788, 59859, 59860, 59868, 59869]