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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.

A063009 Write n in binary then square as if written in base 10.

Table of values

n a(n)
0 0
1 1
2 100
3 121
4 10000
5 10201
6 12100
7 12321
8 1000000
9 1002001
10 1020100
11 1022121
12 1210000
13 1212201
14 1232100
15 1234321
16 100000000
17 100020001
18 100200100
19 100220121
20 102010000
21 102030201
22 102212100
23 102232321
24 121000000
25 121022001

List of values

[0, 1, 100, 121, 10000, 10201, 12100, 12321, 1000000, 1002001, 1020100, 1022121, 1210000, 1212201, 1232100, 1234321, 100000000, 100020001, 100200100, 100220121, 102010000, 102030201, 102212100, 102232321, 121000000, 121022001]

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

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