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.

A068880 Smallest n-digit square with property that digits alternate in parity.

Table of values

n a(n)
1 1
2 16
3 121
4 1296
5 12321
6 147456
7 1038361
8 10929636
9 103652761
10 1010985616
11 10327234129
12 101070583056
13 1010163694761
14 10107210905856
15 101030903296569
16 1012923810743296
17 10101430507492129
18 101034169694343076
19 1010167692929438121
20 10101478149656965696

List of values

[1, 16, 121, 1296, 12321, 147456, 1038361, 10929636, 103652761, 1010985616, 10327234129, 101070583056, 1010163694761, 10107210905856, 101030903296569, 1012923810743296, 10101430507492129, 101034169694343076, 1010167692929438121, 10101478149656965696]