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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.

A241096 Palindromes in base 16 whose squares are also palindromes.

Table of values

n a(n)
1 1
2 2
3 3
4 11
5 22
6 101
7 111
8 121
9 131
10 202
11 212
12 222
13 1001
14 1111
15 1221
16 2002
17 2112
18 10001
19 10101
20 10201
21 10301
22 11011
23 11111
24 11211
25 11311
26 12021
27 12121
28 12221
29 20002
30 20102
31 20202
32 21012
33 21112
34 21212
35 100001
36 101101
37 102201
38 110011
39 111111
40 112211
41 120021

List of values

[1, 2, 3, 11, 22, 101, 111, 121, 131, 202, 212, 222, 1001, 1111, 1221, 2002, 2112, 10001, 10101, 10201, 10301, 11011, 11111, 11211, 11311, 12021, 12121, 12221, 20002, 20102, 20202, 21012, 21112, 21212, 100001, 101101, 102201, 110011, 111111, 112211, 120021]

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

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