ALGORITHM TO FIND SUM OF THE SERIES 1+3+5+7+….UPTO N TERMS

STEP 1.       I <-- 0, J<--1, Sum <-- 0, N <-- 0

STEP 2.       Read N

STEP 3.       While (I <= N-1)

        Begin

             Sum <-- Sum+ J

         J <-- J + 2

      I <-- I + 1

             End

STEP 4.       Print Sum