Find the Number After 3501: Sequential Logic Challenge

To solve this problem, let's follow these steps:

• Step 1: Identify the given information. We are told that the number before the target number is 3501.
• Step 2: Determine the next number. The number after any given integer $n$ is $n + 1$. Thus, the next number after 3501 is $3501 + 1$.
• Step 3: Perform the calculation. Adding 1 to 3501 yields 3502.

Therefore, the number that comes after 3501 is $3502$.