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.

A089183 Palindromes in which, in the first half of the number, digits appear in the order 1, 0, 2, 3, 1, 0, 2, 3, 1, ...

Table of values

n a(n)
1 1
2 11
3 101
4 1001
5 10201
6 102201
7 1023201
8 10233201
9 102313201
10 1023113201
11 10231013201
12 102310013201
13 1023102013201
14 10231022013201
15 102310232013201
16 1023102332013201
17 10231023132013201
18 102310231132013201

List of values

[1, 11, 101, 1001, 10201, 102201, 1023201, 10233201, 102313201, 1023113201, 10231013201, 102310013201, 1023102013201, 10231022013201, 102310232013201, 1023102332013201, 10231023132013201, 102310231132013201]