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.

A037415 Positive numbers having the same set of digits in base 2 and base 10.

Table of values

n a(n)
1 1
2 10
3 100
4 101
5 110
6 1000
7 1001
8 1010
9 1011
10 1100
11 1101
12 1110
13 10000
14 10001
15 10010
16 10011
17 10100
18 10101
19 10110
20 10111
21 11000
22 11001
23 11010
24 11011
25 11100
26 11101
27 11110
28 100000
29 100001
30 100010
31 100011
32 100100
33 100101
34 100110
35 100111
36 101000
37 101001
38 101010
39 101011
40 101100

List of values

[1, 10, 100, 101, 110, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 10000, 10001, 10010, 10011, 10100, 10101, 10110, 10111, 11000, 11001, 11010, 11011, 11100, 11101, 11110, 100000, 100001, 100010, 100011, 100100, 100101, 100110, 100111, 101000, 101001, 101010, 101011, 101100]

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

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