What is the sum of the lines?

Question

IT education

Do I understand correctly that we find the difference and the sum of rows from 0 and 1 (2n - an even number, m, n - from 1 to infinity)?
That is, the answer is: { 0^(2m+1) 1^(2n+1) | m>0,n>0

Answer 1

IMHO { 0^(2m-1) 1^(2n-1) | m>0,n>0