Find the sum of the odd numbers between 0 and 50.

Explanation

To find the sum of the odd numbers between 0 and 50, we can follow these steps:

### Step 1: Identify the odd numbers between 0 and 50
The odd numbers between 0 and 50 are:
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49.

### Step 2: Determine the first and last terms of the series
- The first term (a) is 1.
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