Help me in solving PCJ18B problem

help
,
1

My issue

I do not understand the question . What does odd length side mean. Pls explain it to me.

My code

# cook your dish here

Problem Link: Chef and Bored Games Practice Coding Problem

2

the square having side as odd number
ex:- for n=3
we have 9 square having side 1
ans 1 square having side 3