Need this output 101

Question

101
10201
102030201
........
need output like this in java

Answer 1

//here are some hints ☺👍
1) see that elemets in row get increased by 2 ,
2) see that even places elements in a row is 0
3) 1,2,3... till (number of row elements-1)/2 & then start decreasing by 1

Answer 2

thx bhai ill try...

Answer 3

I see no rows increased by two. I see one column increase by two and others by 0 or 1. So the hint above makes no sense. What am I missing?