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.

A261534 Nonprime palindromes n with only the digits 0, 1, 2 such that the product of divisors of n is also a palindrome.

Table of values

n a(n)
1 1
2 22
3 111
4 121
5 202
6 1001
7 1111
8 10001
9 10201
10 11111
11 100001
12 1000001
13 1001001
14 1012101
15 1100011
16 1101011
17 1111111
18 10000001
19 100000001
20 101000101
21 110000011
22 200010002
23 10000000001
24 10011111001
25 11000100011
26 11001010011
27 11100100111
28 11101010111
29 20000100002

List of values

[1, 22, 111, 121, 202, 1001, 1111, 10001, 10201, 11111, 100001, 1000001, 1001001, 1012101, 1100011, 1101011, 1111111, 10000001, 100000001, 101000101, 110000011, 200010002, 10000000001, 10011111001, 11000100011, 11001010011, 11100100111, 11101010111, 20000100002]

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

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