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.

A136814 Numbers k such that k and k^2 use only the digits 0, 1, 2, 3 and 8.

Table of values

n a(n)
1 0
2 1
3 10
4 11
5 100
6 101
7 110
8 111
9 1000
10 1001
11 1010
12 1011
13 1100
14 1101
15 1110
16 10000
17 10001
18 10010
19 10011
20 10100
21 10101
22 10110
23 10111
24 11000
25 11001
26 11010
27 11100
28 11101
29 18111
30 100000
31 100001
32 100010
33 100011
34 100100
35 100101
36 100110
37 100111
38 101000
39 101001
40 101010
41 101011
42 101100
43 101110
44 110000
45 110001
46 110010
47 110100
48 110101
49 111000
50 111001

List of values

[0, 1, 10, 11, 100, 101, 110, 111, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 10000, 10001, 10010, 10011, 10100, 10101, 10110, 10111, 11000, 11001, 11010, 11100, 11101, 18111, 100000, 100001, 100010, 100011, 100100, 100101, 100110, 100111, 101000, 101001, 101010, 101011, 101100, 101110, 110000, 110001, 110010, 110100, 110101, 111000, 111001]

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

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