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.

A263611 Base 5 numbers whose square is a palindrome in base 5.

Table of values

n a(n)
1 0
2 1
3 2
4 11
5 101
6 111
7 231
8 1001
9 1111
10 10001
11 10101
12 11011
13 11204
14 100001
15 101101
16 110011
17 242204
18 1000001
19 1001001
20 1010101
21 1042214
22 1100011
23 2020303
24 2043122
25 2443304
26 10000001
27 10011001
28 10100101
29 11000011
30 100000001
31 100010001
32 100101001
33 101000101
34 110000011
35 111103411

List of values

[0, 1, 2, 11, 101, 111, 231, 1001, 1111, 10001, 10101, 11011, 11204, 100001, 101101, 110011, 242204, 1000001, 1001001, 1010101, 1042214, 1100011, 2020303, 2043122, 2443304, 10000001, 10011001, 10100101, 11000011, 100000001, 100010001, 100101001, 101000101, 110000011, 111103411]

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

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