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.

A225739 Palindromic squares whose sum of digits is also a palindromic square.

Table of values

n a(n)
1 1
2 4
3 9
4 121
5 10201
6 12321
7 1002001
8 100020001
9 102030201
10 10000200001
11 1000002000001
12 1002003002001
13 100000020000001
14 10000000200000001
15 10002000300020001
16 1000000002000000001
17 100000000020000000001
18 100002000030000200001

List of values

[1, 4, 9, 121, 10201, 12321, 1002001, 100020001, 102030201, 10000200001, 1000002000001, 1002003002001, 100000020000001, 10000000200000001, 10002000300020001, 1000000002000000001, 100000000020000000001, 100002000030000200001]